Age | Commit message (Collapse) | Author |
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Signed-off-by: Luka Pivk <luka.pivk@toradex.com>
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The order of the header files is important. If this header file is
included after tracepoint.h was included then the NOTRACE here becomes a
nop. Currently this happens for two .c files which use the tracepoitns
behind DRM_I915_LOW_LEVEL_TRACEPOINTS.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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This is the 4.19.10 stable release
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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commit 36d842194a57f1b21fbc6a6875f2fa2f9a7f8679 upstream.
When running with KASAN, the following trace is produced:
[ 62.535888]
==================================================================
[ 62.544930] BUG: KASAN: slab-out-of-bounds in
gut_hw_stats+0x122/0x230 [hfi1]
[ 62.553856] Write of size 8 at addr ffff88080e8d6330 by task
kworker/0:1/14
[ 62.565333] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted
4.19.0-test-build-kasan+ #8
[ 62.575087] Hardware name: Intel Corporation S2600KPR/S2600KPR, BIOS
SE5C610.86B.01.01.0019.101220160604 10/12/2016
[ 62.587951] Workqueue: events work_for_cpu_fn
[ 62.594050] Call Trace:
[ 62.598023] dump_stack+0xc6/0x14c
[ 62.603089] ? dump_stack_print_info.cold.1+0x2f/0x2f
[ 62.610041] ? kmsg_dump_rewind_nolock+0x59/0x59
[ 62.616615] ? get_hw_stats+0x122/0x230 [hfi1]
[ 62.622985] print_address_description+0x6c/0x23c
[ 62.629744] ? get_hw_stats+0x122/0x230 [hfi1]
[ 62.636108] kasan_report.cold.6+0x241/0x308
[ 62.642365] get_hw_stats+0x122/0x230 [hfi1]
[ 62.648703] ? hfi1_alloc_rn+0x40/0x40 [hfi1]
[ 62.655088] ? __kmalloc+0x110/0x240
[ 62.660695] ? hfi1_alloc_rn+0x40/0x40 [hfi1]
[ 62.667142] setup_hw_stats+0xd8/0x430 [ib_core]
[ 62.673972] ? show_hfi+0x50/0x50 [hfi1]
[ 62.680026] ib_device_register_sysfs+0x165/0x180 [ib_core]
[ 62.687995] ib_register_device+0x5a2/0xa10 [ib_core]
[ 62.695340] ? show_hfi+0x50/0x50 [hfi1]
[ 62.701421] ? ib_unregister_device+0x2e0/0x2e0 [ib_core]
[ 62.709222] ? __vmalloc_node_range+0x2d0/0x380
[ 62.716131] ? rvt_driver_mr_init+0x11f/0x2d0 [rdmavt]
[ 62.723735] ? vmalloc_node+0x5c/0x70
[ 62.729697] ? rvt_driver_mr_init+0x11f/0x2d0 [rdmavt]
[ 62.737347] ? rvt_driver_mr_init+0x1f5/0x2d0 [rdmavt]
[ 62.744998] ? __rvt_alloc_mr+0x110/0x110 [rdmavt]
[ 62.752315] ? rvt_rc_error+0x140/0x140 [rdmavt]
[ 62.759434] ? rvt_vma_open+0x30/0x30 [rdmavt]
[ 62.766364] ? mutex_unlock+0x1d/0x40
[ 62.772445] ? kmem_cache_create_usercopy+0x15d/0x230
[ 62.780115] rvt_register_device+0x1f6/0x360 [rdmavt]
[ 62.787823] ? rvt_get_port_immutable+0x180/0x180 [rdmavt]
[ 62.796058] ? __get_txreq+0x400/0x400 [hfi1]
[ 62.802969] ? memcpy+0x34/0x50
[ 62.808611] hfi1_register_ib_device+0xde6/0xeb0 [hfi1]
[ 62.816601] ? hfi1_get_npkeys+0x10/0x10 [hfi1]
[ 62.823760] ? hfi1_init+0x89f/0x9a0 [hfi1]
[ 62.830469] ? hfi1_setup_eagerbufs+0xad0/0xad0 [hfi1]
[ 62.838204] ? pcie_capability_clear_and_set_word+0xcd/0xe0
[ 62.846429] ? pcie_capability_read_word+0xd0/0xd0
[ 62.853791] ? hfi1_pcie_init+0x187/0x4b0 [hfi1]
[ 62.860958] init_one+0x67f/0xae0 [hfi1]
[ 62.867301] ? hfi1_init+0x9a0/0x9a0 [hfi1]
[ 62.873876] ? wait_woken+0x130/0x130
[ 62.879860] ? read_word_at_a_time+0xe/0x20
[ 62.886329] ? strscpy+0x14b/0x280
[ 62.891998] ? hfi1_init+0x9a0/0x9a0 [hfi1]
[ 62.898405] local_pci_probe+0x70/0xd0
[ 62.904295] ? pci_device_shutdown+0x90/0x90
[ 62.910833] work_for_cpu_fn+0x29/0x40
[ 62.916750] process_one_work+0x584/0x960
[ 62.922974] ? rcu_work_rcufn+0x40/0x40
[ 62.928991] ? __schedule+0x396/0xdc0
[ 62.934806] ? __sched_text_start+0x8/0x8
[ 62.941020] ? pick_next_task_fair+0x68b/0xc60
[ 62.947674] ? run_rebalance_domains+0x260/0x260
[ 62.954471] ? __list_add_valid+0x29/0xa0
[ 62.960607] ? move_linked_works+0x1c7/0x230
[ 62.967077] ?
trace_event_raw_event_workqueue_execute_start+0x140/0x140
[ 62.976248] ? mutex_lock+0xa6/0x100
[ 62.982029] ? __mutex_lock_slowpath+0x10/0x10
[ 62.988795] ? __switch_to+0x37a/0x710
[ 62.994731] worker_thread+0x62e/0x9d0
[ 63.000602] ? max_active_store+0xf0/0xf0
[ 63.006828] ? __switch_to_asm+0x40/0x70
[ 63.012932] ? __switch_to_asm+0x34/0x70
[ 63.019013] ? __switch_to_asm+0x40/0x70
[ 63.025042] ? __switch_to_asm+0x34/0x70
[ 63.031030] ? __switch_to_asm+0x40/0x70
[ 63.037006] ? __schedule+0x396/0xdc0
[ 63.042660] ? kmem_cache_alloc_trace+0xf3/0x1f0
[ 63.049323] ? kthread+0x59/0x1d0
[ 63.054594] ? ret_from_fork+0x35/0x40
[ 63.060257] ? __sched_text_start+0x8/0x8
[ 63.066212] ? schedule+0xcf/0x250
[ 63.071529] ? __wake_up_common+0x110/0x350
[ 63.077794] ? __schedule+0xdc0/0xdc0
[ 63.083348] ? wait_woken+0x130/0x130
[ 63.088963] ? finish_task_switch+0x1f1/0x520
[ 63.095258] ? kasan_unpoison_shadow+0x30/0x40
[ 63.101792] ? __init_waitqueue_head+0xa0/0xd0
[ 63.108183] ? replenish_dl_entity.cold.60+0x18/0x18
[ 63.115151] ? _raw_spin_lock_irqsave+0x25/0x50
[ 63.121754] ? max_active_store+0xf0/0xf0
[ 63.127753] kthread+0x1ae/0x1d0
[ 63.132894] ? kthread_bind+0x30/0x30
[ 63.138422] ret_from_fork+0x35/0x40
[ 63.146973] Allocated by task 14:
[ 63.152077] kasan_kmalloc+0xbf/0xe0
[ 63.157471] __kmalloc+0x110/0x240
[ 63.162804] init_cntrs+0x34d/0xdf0 [hfi1]
[ 63.168883] hfi1_init_dd+0x29a3/0x2f90 [hfi1]
[ 63.175244] init_one+0x551/0xae0 [hfi1]
[ 63.181065] local_pci_probe+0x70/0xd0
[ 63.186759] work_for_cpu_fn+0x29/0x40
[ 63.192310] process_one_work+0x584/0x960
[ 63.198163] worker_thread+0x62e/0x9d0
[ 63.203843] kthread+0x1ae/0x1d0
[ 63.208874] ret_from_fork+0x35/0x40
[ 63.217203] Freed by task 1:
[ 63.221844] __kasan_slab_free+0x12e/0x180
[ 63.227844] kfree+0x92/0x1a0
[ 63.232570] single_release+0x3a/0x60
[ 63.238024] __fput+0x1d9/0x480
[ 63.242911] task_work_run+0x139/0x190
[ 63.248440] exit_to_usermode_loop+0x191/0x1a0
[ 63.254814] do_syscall_64+0x301/0x330
[ 63.260283] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 63.270199] The buggy address belongs to the object at
ffff88080e8d5500
which belongs to the cache kmalloc-4096 of size 4096
[ 63.287247] The buggy address is located 3632 bytes inside of
4096-byte region [ffff88080e8d5500, ffff88080e8d6500)
[ 63.303564] The buggy address belongs to the page:
[ 63.310447] page:ffffea00203a3400 count:1 mapcount:0
mapping:ffff88081380e840 index:0x0 compound_mapcount: 0
[ 63.323102] flags: 0x2fffff80008100(slab|head)
[ 63.329775] raw: 002fffff80008100 0000000000000000 0000000100000001
ffff88081380e840
[ 63.340175] raw: 0000000000000000 0000000000070007 00000001ffffffff
0000000000000000
[ 63.350564] page dumped because: kasan: bad access detected
[ 63.361974] Memory state around the buggy address:
[ 63.369137] ffff88080e8d6200: 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00
[ 63.379082] ffff88080e8d6280: 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00
[ 63.389032] >ffff88080e8d6300: 00 00 00 00 00 00 fc fc fc fc fc fc fc
fc fc fc
[ 63.398944] ^
[ 63.406141] ffff88080e8d6380: fc fc fc fc fc fc fc fc fc fc fc fc fc
fc fc fc
[ 63.416109] ffff88080e8d6400: fc fc fc fc fc fc fc fc fc fc fc fc fc
fc fc fc
[ 63.426099]
==================================================================
The trace happens because get_hw_stats() assumes there is room in the
memory allocated in init_cntrs() to accommodate the driver counters.
Unfortunately, that routine only allocated space for the device
counters.
Fix by insuring the allocation has room for the additional driver
counters.
Cc: <Stable@vger.kernel.org> # v4.14+
Fixes: b7481944b06e9 ("IB/hfi1: Show statistics counters under IB stats interface")
Reviewed-by: Mike Marciniczyn <mike.marciniszyn@intel.com>
Reviewed-by: Mike Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Piotr Stankiewicz <piotr.stankiewicz@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ea2412dc21cc790335d319181dddc43682aef164 ]
Running the Clang static analyzer on IORT code detected the following
error:
Logic error: Branch condition evaluates to a garbage value
in
iort_get_platform_device_domain()
If the named component associated with a given device has no IORT
mappings, iort_get_platform_device_domain() exits its MSI mapping loop
with msi_parent pointer containing garbage, which can lead to erroneous
code path execution.
Initialize the msi_parent pointer, fixing the bug.
Fixes: d4f54a186667 ("ACPI: platform: setup MSI domain for ACPI based
platform device")
Reported-by: Patrick Bellasi <patrick.bellasi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6344d02dc8f886b6bbcd922ae1a17e4a41500f2d ]
Some error paths in configuration of admin queue free data buffer
associated with async request SQE without resetting the data buffer
pointer to NULL, This buffer is also freed up again if the controller
is shutdown or reset.
Signed-off-by: Prabhath Sajeepa <psajeepa@purestorage.com>
Reviewed-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f6c8e432cb0479255322c5d0335b9f1699a0270c ]
nvme_stop_ctrl can be called also for reset flow and there is no need to
flush the scan_work as namespaces are not being removed. This can cause
deadlock in rdma, fc and loop drivers since nvme_stop_ctrl barriers
before controller teardown (and specifically I/O cancellation of the
scan_work itself) takes place, but the scan_work will be blocked anyways
so there is no need to flush it.
Instead, move scan_work flush to nvme_remove_namespaces() where it really
needs to flush.
Reported-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed by: James Smart <jsmart2021@gmail.com>
Tested-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 14a1336e6fff47dd1028b484d6c802105c58e2ee ]
Without CONFIG_NVME_MULTIPATH enabled a multi-port subsystem might
show up as invididual devices and cause problems, warn about it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 975ef94a0284648fb0137bd5e949b18cef604e33 ]
kfree() is incorrectly used to release the pages allocated by
__get_free_page() and __get_free_pages(). Use the matching deallocators
i.e., free_page() and free_pages(), respectively.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 123664101aa2156d05251704fc63f9bcbf77741a ]
This reverts commit b3cf8528bb21febb650a7ecbf080d0647be40b9f.
That commit unintentionally broke Xen balloon memory hotplug with
"hotplug_unpopulated" set to 1. As long as "System RAM" resource
got assigned under a new "Unusable memory" resource in IO/Mem tree
any attempt to online this memory would fail due to general kernel
restrictions on having "System RAM" resources as 1st level only.
The original issue that commit has tried to workaround fa564ad96366
("x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 00-1f, 30-3f,
60-7f)") also got amended by the following 03a551734 ("x86/PCI: Move
and shrink AMD 64-bit window to avoid conflict") which made the
original fix to Xen ballooning unnecessary.
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 72791ac854fea36034fa7976b748fde585008e78 ]
Add a missing header otherwise compiler warns about missed prototype:
drivers/xen/xlate_mmu.c:183:5: warning: no previous prototype for 'xen_xlate_unmap_gfn_range?' [-Wmissing-prototypes]
int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma,
^~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Srikanth Boddepalli <boddepalli.srikanth@gmail.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Joey Pabalinas <joeypabalinas@gmail.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 300625620314194d9e6d4f6dda71f2dc9cf62d9f ]
v1: over-sample data to increase the stability with some specific monitors
v2: refine to avoid infinite loop
v3: remove un-necessary "volatile" declaration
[airlied: fix two checkpatch warnings]
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1542858988-1127-1-git-send-email-yc_chen@aspeedtech.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ad97d9de45835b6a0f71983b0ae0cffd7306730a ]
Driver shouldn't try to access any GFX registers until RLC is idle.
During the test, it took 12 seconds for RLC to clear the BUSY bit
in RLC_GPM_STAT register which is un-acceptable for driver.
As per RLC engineer, it would take RLC Ucode less than 10,000 GFXCLK
cycles to finish its critical section. In a lowest 300M enginer clock
setting(default from vbios), 50 us delay is enough.
This commit fix the hang when RLC introduce the work around for XGMI
which requires more cycles to setup more registers than normal
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c758940158bf29fe14e9d0f89d5848f227b48134 ]
The net device ndev is freed via free_netdev when failing to register
the device. The control flow then jumps to the error handling code
block. ndev is used and freed again. Resulting in a use-after-free bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a8bf879af7b1999eba36303ce9cc60e0e7dd816c ]
Add the two 1000BaseLX enum values to the X550's check for 1Gbps modules,
allowing the core driver code to establish a link over this SFP type.
This is done by the out-of-tree driver but the fix wasn't in mainline.
Fixes: e23f33367882 ("ixgbe: Fix 1G and 10G link stability for X550EM_x SFP+”)
Fixes: 6a14ee0cfb19 ("ixgbe: Add X550 support function pointers")
Signed-off-by: Josh Elsasser <jelsasser@appneta.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e4c39f7926b4de355f7df75651d75003806aae09 ]
This patch fixes the variable 'phy_word' may be used uninitialized.
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c9287fa657b3328b4549c0ab39ea7f197a3d6a50 ]
list_for_each_entry_safe() is not safe for deleting entries from the
list if the spin lock, which protects it, is released and reacquired during
the list iteration. Fix this issue by replacing this construction with
a simple check if list is empty and removing the first entry in each
iteration. This is almost equivalent to a revert of the commit mentioned in
the Fixes: tag.
This patch fixes following issue:
--->8---
Unable to handle kernel NULL pointer dereference at virtual address 00000104
pgd = (ptrval)
[00000104] *pgd=00000000
Internal error: Oops: 817 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 84 Comm: kworker/1:1 Not tainted 4.20.0-rc2-next-20181114-00009-g8266b35ec404 #1061
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
Workqueue: events eth_work
PC is at rx_fill+0x60/0xac
LR is at _raw_spin_lock_irqsave+0x50/0x5c
pc : [<c065fee0>] lr : [<c0a056b8>] psr: 80000093
sp : ee7fbee8 ip : 00000100 fp : 00000000
r10: 006000c0 r9 : c10b0ab0 r8 : ee7eb5c0
r7 : ee7eb614 r6 : ee7eb5ec r5 : 000000dc r4 : ee12ac00
r3 : ee12ac24 r2 : 00000200 r1 : 60000013 r0 : ee7eb5ec
Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none
Control: 10c5387d Table: 6d5dc04a DAC: 00000051
Process kworker/1:1 (pid: 84, stack limit = 0x(ptrval))
Stack: (0xee7fbee8 to 0xee7fc000)
...
[<c065fee0>] (rx_fill) from [<c0143b7c>] (process_one_work+0x200/0x738)
[<c0143b7c>] (process_one_work) from [<c0144118>] (worker_thread+0x2c/0x4c8)
[<c0144118>] (worker_thread) from [<c014a8a4>] (kthread+0x128/0x164)
[<c014a8a4>] (kthread) from [<c01010b4>] (ret_from_fork+0x14/0x20)
Exception stack(0xee7fbfb0 to 0xee7fbff8)
...
---[ end trace 64480bc835eba7d6 ]---
Fixes: fea14e68ff5e ("usb: gadget: u_ether: use better list accessors")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 24a6d2dd263bc910de018c78d1148b3e33b94512 ]
Fix a possible NULL pointer dereference in nic_remove routine
removing the nicpf module if nic_probe fails.
The issue can be triggered with the following reproducer:
$rmmod nicvf
$rmmod nicpf
[ 521.412008] Unable to handle kernel access to user memory outside uaccess routines at virtual address 0000000000000014
[ 521.422777] Mem abort info:
[ 521.425561] ESR = 0x96000004
[ 521.428624] Exception class = DABT (current EL), IL = 32 bits
[ 521.434535] SET = 0, FnV = 0
[ 521.437579] EA = 0, S1PTW = 0
[ 521.440730] Data abort info:
[ 521.443603] ISV = 0, ISS = 0x00000004
[ 521.447431] CM = 0, WnR = 0
[ 521.450417] user pgtable: 4k pages, 48-bit VAs, pgdp = 0000000072a3da42
[ 521.457022] [0000000000000014] pgd=0000000000000000
[ 521.461916] Internal error: Oops: 96000004 [#1] SMP
[ 521.511801] Hardware name: GIGABYTE H270-T70/MT70-HD0, BIOS T49 02/02/2018
[ 521.518664] pstate: 80400005 (Nzcv daif +PAN -UAO)
[ 521.523451] pc : nic_remove+0x24/0x88 [nicpf]
[ 521.527808] lr : pci_device_remove+0x48/0xd8
[ 521.532066] sp : ffff000013433cc0
[ 521.535370] x29: ffff000013433cc0 x28: ffff810f6ac50000
[ 521.540672] x27: 0000000000000000 x26: 0000000000000000
[ 521.545974] x25: 0000000056000000 x24: 0000000000000015
[ 521.551274] x23: ffff8007ff89a110 x22: ffff000001667070
[ 521.556576] x21: ffff8007ffb170b0 x20: ffff8007ffb17000
[ 521.561877] x19: 0000000000000000 x18: 0000000000000025
[ 521.567178] x17: 0000000000000000 x16: 000000000000010ffc33ff98 x8 : 0000000000000000
[ 521.593683] x7 : 0000000000000000 x6 : 0000000000000001
[ 521.598983] x5 : 0000000000000002 x4 : 0000000000000003
[ 521.604284] x3 : ffff8007ffb17184 x2 : ffff8007ffb17184
[ 521.609585] x1 : ffff000001662118 x0 : ffff000008557be0
[ 521.614887] Process rmmod (pid: 1897, stack limit = 0x00000000859535c3)
[ 521.621490] Call trace:
[ 521.623928] nic_remove+0x24/0x88 [nicpf]
[ 521.627927] pci_device_remove+0x48/0xd8
[ 521.631847] device_release_driver_internal+0x1b0/0x248
[ 521.637062] driver_detach+0x50/0xc0
[ 521.640628] bus_remove_driver+0x60/0x100
[ 521.644627] driver_unregister+0x34/0x60
[ 521.648538] pci_unregister_driver+0x24/0xd8
[ 521.652798] nic_cleanup_module+0x14/0x111c [nicpf]
[ 521.657672] __arm64_sys_delete_module+0x150/0x218
[ 521.662460] el0_svc_handler+0x94/0x110
[ 521.666287] el0_svc+0x8/0xc
[ 521.669160] Code: aa1e03e0 9102c295 d503201f f9404eb3 (b9401660)
Fixes: 4863dea3fab0 ("net: Adding support for Cavium ThunderX network controller")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 75b7b86bdb0df37e08e44b6c1f99010967f81944 ]
Memory windows are implemented with an indirect MKey, when a page fault
event comes for a MW Mkey we need to find the MR at the end of the list of
the indirect MKeys by iterating on all items from the first to the last.
The offset calculated during this process has to be zeroed after the first
iteration or the next iteration will start from a wrong address, resulting
incorrect ODP faulting behavior.
Fixes: db570d7deafb ("IB/mlx5: Add ODP support to MW")
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 31e1ab494559fb46de304cc6c2aed1528f94b298 ]
This essential mode for PAL users is missing, so add it.
Fixes: 335e3713afb87 ("drm/meson: Add support for HDMI venc modes and settings")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1542793169-13008-1-git-send-email-christianshewitt@gmail.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1830b6eeda1fed42d85f2388f79c926331a9b2d0 ]
During NVM upgrade process the host router is hot-removed for a short
while. During this time it is possible that the root port is moved into
D3cold which would be fine if the root port could trigger PME on itself.
However, many systems actually do not implement it so what happens is
that the root port goes into D3cold and never wakes up unless userspace
does PCI config space access, such as running 'lscpi'.
For this reason we explicitly prevent the root port from runtime
suspending during NVM upgrade.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 069caf5950dfa75d0526cd89c439ff9d9d3136d8 ]
Commit 387f869d2579 ("usb: gadget: u_ether: conditionally align
transfer size") started aligning transfer size only if requested,
breaking omap_udc DMA mode. Set quirk_ep_out_aligned_size to restore
the old behaviour.
Fixes: 387f869d2579 ("usb: gadget: u_ether: conditionally align transfer size")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2c2322fbcab8102b8cadc09d66714700a2da42c2 ]
On Palm TE nothing happens when you try to use gadget drivers and plug
the USB cable. Fix by adding the board to the vbus sense quirk list.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6ca6695f576b8453fe68865e84d25946d63b10ad ]
On OMAP 15xx machines there are no transceivers, and omap_udc_start()
always fails as it forgot to adjust the default return value.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 99f700366fcea1aa2fa3c49c99f371670c3c62f8 ]
We currently crash if usb_add_gadget_udc_release() fails, since the
udc->done is not initialized until in the remove function.
Furthermore, on module removal the udc data is accessed although
the release function is already triggered by usb_del_gadget_udc()
early in the function.
Fix by rewriting the release and remove functions, basically moving
all the cleanup into the release function, and doing the completion
only in the module removal case.
The patch fixes omap_udc module probe with a failing gadged, and also
allows the removal of omap_udc. Tested by running "modprobe omap_udc;
modprobe -r omap_udc" in a loop.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 286afdde1640d8ea8916a0f05e811441fbbf4b9d ]
The current code fails to release the third irq on the error path
(observed by reading the code), and we get also multiple WARNs with
failing gadget drivers due to duplicate IRQ releases. Fix by using
devm_request_irq().
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 64999fa7aa2c076ec6d05aee481f11f5296ceb8c ]
In randconfig builds without CONFIG_GENERIC_ALLOCATOR, this driver
fails to link:
ERROR: "gen_pool_alloc_algo" [drivers/fsi/fsi-master-ast-cf.ko] undefined!
ERROR: "gen_pool_fixed_alloc" [drivers/fsi/fsi-master-ast-cf.ko] undefined!
ERROR: "of_gen_pool_get" [drivers/fsi/fsi-master-ast-cf.ko] undefined!
ERROR: "gen_pool_free" [drivers/fsi/fsi-master-ast-cf.ko] undefined!
Select the dependency as all other users do.
Fixes: 6a794a27daca ("fsi: master-ast-cf: Add new FSI master using Aspeed ColdFire")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ca088320a02537f36c243ac21794525d8eabb3bd ]
Current hns driver assigned the first two PBL page addresses from previous
registered MR to the hardware when reregister MR changing the memory
locations occurred. This will lead to PBL addressing error as the PBL has
already been released. This patch fixes this wrong assignment by using the
page address from new allocated PBL.
Fixes: a2c80b7b4119 ("RDMA/hns: Add rereg mr support for hip08")
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4f32fb921b153ae9ea280e02a3e91509fffc03d3 ]
rdmavt uses a crazy system that looses the type checking when assinging
functions to struct ib_device function pointers. Because of this the
signature to this function was not changed when the below commit revised
things.
Fix the signature so we are not calling a function pointer with a
mismatched signature.
Fixes: 477864c8fcd9 ("IB/core: Let create_ah return extended response to user")
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a6c66d6a08b88cc10aca9d3f65cfae31e7652a99 ]
When bnxt_re_ib_reg returns failure, the device structure gets
freed. Driver tries to access the device pointer
after it is freed.
[ 4871.034744] Failed to register with netedev: 0xffffffa1
[ 4871.034765] infiniband (null): Failed to register with IB: 0xffffffea
[ 4871.046430] ==================================================================
[ 4871.046437] BUG: KASAN: use-after-free in bnxt_re_task+0x63/0x180 [bnxt_re]
[ 4871.046439] Write of size 4 at addr ffff880fa8406f48 by task kworker/u48:2/17813
[ 4871.046443] CPU: 20 PID: 17813 Comm: kworker/u48:2 Kdump: loaded Tainted: G B OE 4.20.0-rc1+ #42
[ 4871.046444] Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 1.0.4 08/28/2014
[ 4871.046447] Workqueue: bnxt_re bnxt_re_task [bnxt_re]
[ 4871.046449] Call Trace:
[ 4871.046454] dump_stack+0x91/0xeb
[ 4871.046458] print_address_description+0x6a/0x2a0
[ 4871.046461] kasan_report+0x176/0x2d0
[ 4871.046463] ? bnxt_re_task+0x63/0x180 [bnxt_re]
[ 4871.046466] bnxt_re_task+0x63/0x180 [bnxt_re]
[ 4871.046470] process_one_work+0x216/0x5b0
[ 4871.046471] ? process_one_work+0x189/0x5b0
[ 4871.046475] worker_thread+0x4e/0x3d0
[ 4871.046479] kthread+0x10e/0x140
[ 4871.046480] ? process_one_work+0x5b0/0x5b0
[ 4871.046482] ? kthread_stop+0x220/0x220
[ 4871.046486] ret_from_fork+0x3a/0x50
[ 4871.046492] The buggy address belongs to the page:
[ 4871.046494] page:ffffea003ea10180 count:0 mapcount:0 mapping:0000000000000000 index:0x0
[ 4871.046495] flags: 0x57ffffc0000000()
[ 4871.046498] raw: 0057ffffc0000000 0000000000000000 ffffea003ea10188 0000000000000000
[ 4871.046500] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 4871.046501] page dumped because: kasan: bad access detected
Avoid accessing the device structure once it is freed.
Fixes: 497158aa5f52 ("RDMA/bnxt_re: Fix the ib_reg failure cleanup")
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 3c4b1419c33c2417836a63f8126834ee36968321 ]
Driver doesn't release rtnl lock if registration with
L2 driver (bnxt_re_register_netdev) fais and this causes
hang while requesting for the next lock.
[ 371.635416] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 371.635417] kworker/u48:1 D 0 634 2 0x80000000
[ 371.635423] Workqueue: bnxt_re bnxt_re_task [bnxt_re]
[ 371.635424] Call Trace:
[ 371.635426] ? __schedule+0x36b/0xbd0
[ 371.635429] schedule+0x39/0x90
[ 371.635430] schedule_preempt_disabled+0x11/0x20
[ 371.635431] __mutex_lock+0x45b/0x9c0
[ 371.635433] ? __mutex_lock+0x16d/0x9c0
[ 371.635435] ? bnxt_re_ib_reg+0x2b/0xb30 [bnxt_re]
[ 371.635438] ? wake_up_klogd+0x37/0x40
[ 371.635442] bnxt_re_ib_reg+0x2b/0xb30 [bnxt_re]
[ 371.635447] bnxt_re_task+0xfd/0x180 [bnxt_re]
[ 371.635449] process_one_work+0x216/0x5b0
[ 371.635450] ? process_one_work+0x189/0x5b0
[ 371.635453] worker_thread+0x4e/0x3d0
[ 371.635455] kthread+0x10e/0x140
[ 371.635456] ? process_one_work+0x5b0/0x5b0
[ 371.635458] ? kthread_stop+0x220/0x220
[ 371.635460] ret_from_fork+0x3a/0x50
[ 371.635477] INFO: task NetworkManager:1228 blocked for more than 120 seconds.
[ 371.635478] Tainted: G B OE 4.20.0-rc1+ #42
[ 371.635479] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Release the rtnl_lock correctly in the failure path.
Fixes: de5c95d0f518 ("RDMA/bnxt_re: Fix system crash during RDMA resource initialization")
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d52ef88a9f4be523425730da3239cf87bee936da ]
Currently when MAC address is changed, regardless of the netdev reg_state,
GID entries are removed and added to reflect the new MAC address and new
default GID entries.
When a bonding device is used and the underlying PCI device is removed
several netdevice events are generated. Two events of the interest are
CHANGEADDR and UNREGISTER event on lower(slave) netdevice of the bond
netdevice.
Sometimes CHANGEADDR event is generated when netdev state is
UNREGISTERING (after UNREGISTER event is generated). In this scenario, GID
entries for default GIDs are added and never deleted because GID entries
are deleted only when netdev state is < UNREGISTERED.
This leads to non zero reference count on the netdevice. Due to this, PCI
device unbind operation is getting stuck.
To avoid it, when changing mac address, add GID entries only if netdev is
in REGISTERED state.
Fixes: 03db3a2d81e6 ("IB/core: Add RoCE GID table management")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 074fca3a18e7e1e0d4d7dcc9d7badc43b90232f4 ]
Currently, for IB_WR_LOCAL_INV WR, when the next fence is None, the
current fence will be SMALL instead of Normal Fence.
Without this patch krping doesn't work on CX-5 devices and throws
following error:
The error messages are from CX5 driver are: (from server side)
[ 710.434014] mlx5_0:dump_cqe:278:(pid 2712): dump error cqe
[ 710.434016] 00000000 00000000 00000000 00000000
[ 710.434016] 00000000 00000000 00000000 00000000
[ 710.434017] 00000000 00000000 00000000 00000000
[ 710.434018] 00000000 93003204 100000b8 000524d2
[ 710.434019] krping: cq completion failed with wr_id 0 status 4 opcode 128 vender_err 32
Fixed the logic to set the correct fence type.
Fixes: 6e8484c5cf07 ("RDMA/mlx5: set UMR wqe fence according to HCA cap")
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c88520db18ba0b9a41326c3b8680e7c09eb4c381 ]
Tune1 register on sdm845 is used to update HSTX_TRIM with fused
setting. Enable same by specifying update_tune1_with_efuse flag
for sdm845, otherwise driver ends up programming tune2 register.
Fixes: ef17f6e212ca ("phy: qcom-qusb2: Add QUSB2 PHYs support for sdm845")
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6e34d358b24ffc40764eb3681164c79091765429 ]
Fix HSTX_TRIM tuning logic which instead of using fused value
as HSTX_TRIM, incorrectly performs bitwise OR operation with
existing default value.
Fixes: ca04d9d3e1b1 ("phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips")
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 68bc10bf992180f269816ff3d22eb30383138577 ]
This bug was introduced in the interaction for two commits on either
branch of the merge commit 562df5c8521e ("Merge branch
'pci/host-designware' into next").
Commit 4d107d3b5a68 ("PCI: imx6: Move link up check into
imx6_pcie_wait_for_link()"), changed imx6_pcie_wait_for_link() to poll
the link status register directly, checking for link up and not
training, and made imx6_pcie_link_up() only check the link up bit (once,
not a polling loop).
While commit 886bc5ceb5cc ("PCI: designware: Add generic
dw_pcie_wait_for_link()"), replaced the loop in
imx6_pcie_wait_for_link() with a call to a new dwc core function, which
polled imx6_pcie_link_up(), which still checked both link up and not
training in a loop.
When these two commits were merged, the version of
imx6_pcie_wait_for_link() from 886bc5ceb5cc was kept, which eliminated
the link training check placed there by 4d107d3b5a68. However, the
version of imx6_pcie_link_up() from 4d107d3b5a68 was kept, which
eliminated the link training check that had been there and was moved to
imx6_pcie_wait_for_link().
The result was the link training check got lost for the imx6 driver.
Eliminate imx6_pcie_link_up() so that the default handler,
dw_pcie_link_up(), is used instead. The default handler has the correct
code, which checks for link up and also that it still is not training,
fixing the regression.
Fixes: 562df5c8521e ("Merge branch 'pci/host-designware' into next")
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
[lorenzo.pieralisi@arm.com: rewrote the commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Joao Pinto <Joao.Pinto@synopsys.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 09aaf6813cfca4c18034fda7a43e68763f34abb1 ]
Both datasheet and comments of store_temp_mode() tell us that temp1~4_type
is writable, so fix it.
Signed-off-by: Yao Wang <wangyao@lemote.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Fixes: 39deb6993e7c (" hwmon: (w83795) Simplify temperature sensor type handling")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 243cfe3fb8978c7eec24511aba7dac98819ed896 ]
Fix macros for tacometer fault reading.
This fix is relevant for three Mellanox systems MQMB7, MSN37, MSN34,
which are about to be released to the customers.
At the moment, none of them is at customers sites.
Fixes: 65afb4c8e7e4 ("hwmon: (mlxreg-fan) Add support for Mellanox FAN driver")
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 91b9deefedf4c35a01027ce38bed7299605026a3 ]
I've been wondering still about omap2-mcspi related suspend and resume
flakeyness and looks like we're missing calls to spi_master_suspend()
and spi_master_resume(). Adding those and using pm_runtime_force_suspend()
and pm_runtime_force_resume() makes things work for suspend and resume
and allows us to stop using noirq suspend and resume.
And while at it, let's use SET_SYSTEM_SLEEP_PM_OPS to simplify things
further.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 38cd989ee38c16388cde89db5b734f9d55b905f9 ]
The current register (04h) has a sign bit at MSB. The comments
for this calculation also mention that it's a signed register.
However, the regval is unsigned type so result of calculation
turns out to be an incorrect value when current is negative.
This patch simply fixes this by adding a casting to s16.
Fixes: 5d389b125186c ("hwmon: (ina2xx) Make calibration register value fixed")
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 35fdc3902179366489a12cae4cb3ccc3b95f0afe ]
In case an under-voltage happens before probing the driver wont
write the critical warning into the kernel log. So don't init
of last_throttled during probe and fix this issue.
Fixes: 74d1e007915f ("hwmon: Add support for RPi voltage sensor")
Reported-by: "Noralf Trønnes" <noralf@tronnes.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 70df9ebbd82c794ddfbb49d45b337f18d5588dc2 ]
When using DT configurations, the id pointer might turn out to
be NULL. Then the driver encounters NULL pointer access:
Unable to handle kernel read from unreadable memory at vaddr 00000018
[...]
PC is at ina2xx_probe+0x114/0x200
LR is at ina2xx_probe+0x10c/0x200
[...]
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
The reason is that i2c core returns the id pointer by matching
id_table with client->name, while the client->name is actually
using the name from the first string in the DT compatible list,
not the best one. So i2c core would fail to match the id_table
if the best matched compatible string isn't the first one, and
then would return a NULL id pointer.
This probably should be fixed in i2c core. But it doesn't hurt
to make the driver robust. So this patch fixes it by using the
"chip" that's added to unify both DT and non-DT configurations.
Additionally, since id pointer could be null, so as id->name:
ina2xx 10-0047: power monitor (null) (Rshunt = 1000 uOhm)
ina2xx 10-0048: power monitor (null) (Rshunt = 10000 uOhm)
So this patch also fixes NULL name pointer, using client->name
to play safe and to align with hwmon->name.
Fixes: bd0ddd4d0883 ("hwmon: (ina2xx) Add OF device ID table")
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b89e242eee8d4cd8261d8d821c62c5d1efc454d0 ]
Direct returns from within a loop are rude, but it doesn't mean it gets
to avoid releasing the memory acquired beforehand.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20181109023937.96105-3-farman@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 806212f91c874b24cf9eb4a9f180323671b6c5ed ]
If pfn_array_alloc fails somehow, we need to release the pfn_array_table
that was malloc'd earlier.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20181109023937.96105-2-farman@linux.ibm.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c3e43d8b958bd6849817393483e805d8638a8ab7 ]
We return 0 unconditionally in 'rtw_wx_read32()'.
However, 'ret' is set to some error codes in several error handling paths.
Return 'ret' instead to propagate the error code.
Fixes: 554c0a3abf216 ("staging: Add rtl8723bs sdio wifi driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d7f7e0018b96fd1a30a968faa9464eb57372c1ec ]
The link modes that sfp_parse_support() detects are stored in the
'modes' bitmap. There is no reason to make an exception for 1000Base-PX
or 1000Base-BX10.
Fixes: 03145864bd0f ("sfp: support 1G BiDi (eg, FiberStore SFP-GE-BX) modules")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 436c9453a1ac0944b82870ef2e0d9be956b396d9 ]
We copy vnet header unconditionally in page_to_skb() this is wrong
since XDP may modify the packet data. So let's keep a zeroed vnet
header for not confusing the conversion between vnet header and skb
metadata.
In the future, we should able to detect whether or not the packet was
modified and keep using the vnet header when packet was not touched.
Fixes: f600b6905015 ("virtio_net: Add XDP support")
Reported-by: Pavel Popa <pashinho1990@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 35b827b6d06199841a83839e8bb69c0cd13a28be ]
It's not supported right now (the goal of the initial patch was to support
'ip link del' only).
Before the patch:
$ ip link add foo type tun
[ 239.632660] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[snip]
[ 239.636410] RIP: 0010:register_netdevice+0x8e/0x3a0
This panic occurs because dev->netdev_ops is not set by tun_setup(). But to
have something usable, it will require more than just setting
netdev_ops.
Fixes: f019a7a594d9 ("tun: Implement ip link del tunXXX")
CC: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 5b3279e2cba2238b37f6c18adfdea8bddb32715a ]
This reverts commit 624ca9c33c8a853a4a589836e310d776620f4ab9.
This commit is completely bogus. The STACR register has two formats, old
and new, depending on the version of the IP block used. There's a pair of
device-tree properties that can be used to specify the format used:
has-inverted-stacr-oc
has-new-stacr-staopc
What this commit did was to change the bit definition used with the old
parts to match the new parts. This of course breaks the driver on all
the old ones.
Instead, the author should have set the appropriate properties in the
device-tree for the variant used on his board.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d2a36971ef595069b7a600d1144c2e0881a930a1 ]
Currently __set_phy_supported allows to add modes w/o checking whether
the PHY supports them. This is wrong, it should never add modes but
only remove modes we don't want to support.
The commit marked as fixed didn't do anything wrong, it just copied
existing functionality to the helper which is being fixed now.
Fixes: f3a6bd393c2c ("phylib: Add phy_set_max_speed helper")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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