diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-19 23:01:26 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-19 23:37:01 +0200 |
| commit | 2ae782ca839e0ee07de37122ddea362adff2e975 (patch) | |
| tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /net/core/pktgen.c | |
| parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
| parent | 0661b3d6cfd774e28a2e2ba90a3d87479e5c399b (diff) | |
Merge tag 'v4.9.220' into 4.9-2.3.x-imx
This is the 4.9.220 stable release
Conflicts:
arch/arm/Kconfig.debug
arch/arm/boot/dts/imx7s.dtsi
arch/arm/mach-imx/common.h
arch/arm/mach-imx/cpuidle-imx6q.c
arch/arm/mach-imx/cpuidle-imx6sx.c
arch/arm/mach-imx/suspend-imx6.S
block/blk-core.c
drivers/crypto/caam/caamalg.c
drivers/crypto/mxs-dcp.c
drivers/dma/imx-sdma.c
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
drivers/input/keyboard/imx_keypad.c
drivers/input/keyboard/snvs_pwrkey.c
drivers/mmc/host/sdhci.c
drivers/net/can/flexcan.c
drivers/net/ethernet/freescale/fec_main.c
drivers/net/phy/phy_device.c
drivers/net/wireless/ath/ath10k/pci.c
drivers/tty/serial/imx.c
drivers/usb/dwc3/gadget.c
drivers/usb/host/xhci.c
include/linux/blkdev.h
include/linux/cpu.h
include/linux/platform_data/dma-imx-sdma.h
kernel/cpu.c
net/wireless/util.c
sound/soc/fsl/Kconfig
sound/soc/fsl/fsl_esai.c
sound/soc/fsl/fsl_sai.c
sound/soc/fsl/imx-sgtl5000.c
Diffstat (limited to 'net/core/pktgen.c')
| -rw-r--r-- | net/core/pktgen.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 306b8f0e03c1..433b26feb320 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3147,7 +3147,13 @@ static int pktgen_wait_thread_run(struct pktgen_thread *t) { while (thread_is_running(t)) { + /* note: 't' will still be around even after the unlock/lock + * cycle because pktgen_thread threads are only cleared at + * net exit + */ + mutex_unlock(&pktgen_thread_lock); msleep_interruptible(100); + mutex_lock(&pktgen_thread_lock); if (signal_pending(current)) goto signal; @@ -3162,6 +3168,10 @@ static int pktgen_wait_all_threads_run(struct pktgen_net *pn) struct pktgen_thread *t; int sig = 1; + /* prevent from racing with rmmod */ + if (!try_module_get(THIS_MODULE)) + return sig; + mutex_lock(&pktgen_thread_lock); list_for_each_entry(t, &pn->pktgen_threads, th_list) { @@ -3175,6 +3185,7 @@ static int pktgen_wait_all_threads_run(struct pktgen_net *pn) t->control |= (T_STOP); mutex_unlock(&pktgen_thread_lock); + module_put(THIS_MODULE); return sig; } |