diff options
author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-19 23:01:26 +0200 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-05-19 23:37:01 +0200 |
commit | 2ae782ca839e0ee07de37122ddea362adff2e975 (patch) | |
tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /net/sched/sch_netem.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/sched/sch_netem.c')
-rw-r--r-- | net/sched/sch_netem.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index e9812e21dbc9..e06491314d59 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -437,8 +437,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct netem_skb_cb *cb; struct sk_buff *skb2; struct sk_buff *segs = NULL; - unsigned int len = 0, last_len, prev_len = qdisc_pkt_len(skb); - int nb = 0; + unsigned int prev_len = qdisc_pkt_len(skb); int count = 1; int rc = NET_XMIT_SUCCESS; int rc_drop = NET_XMIT_DROP; @@ -475,7 +474,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, * skb will be queued. */ if (count > 1 && (skb2 = skb_clone(skb, GFP_ATOMIC)) != NULL) { - struct Qdisc *rootq = qdisc_root(sch); + struct Qdisc *rootq = qdisc_root_bh(sch); u32 dupsave = q->duplicate; /* prevent duplicating a dup... */ q->duplicate = 0; @@ -495,6 +494,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, segs = netem_segment(skb, sch, to_free); if (!segs) return rc_drop; + qdisc_skb_cb(segs)->pkt_len = segs->len; } else { segs = skb; } @@ -510,6 +510,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (skb->ip_summed == CHECKSUM_PARTIAL && skb_checksum_help(skb)) { qdisc_drop(skb, sch, to_free); + skb = NULL; goto finish_segs; } @@ -585,6 +586,12 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, finish_segs: if (segs) { + unsigned int len, last_len; + int nb; + + len = skb ? skb->len : 0; + nb = skb ? 1 : 0; + while (segs) { skb2 = segs->next; segs->next = NULL; @@ -600,9 +607,10 @@ finish_segs: } segs = skb2; } - sch->q.qlen += nb; - if (nb > 1) - qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len); + /* Parent qdiscs accounted for 1 skb of size @prev_len */ + qdisc_tree_reduce_backlog(sch, -(nb - 1), -(len - prev_len)); + } else if (!skb) { + return NET_XMIT_DROP; } return NET_XMIT_SUCCESS; } @@ -711,7 +719,7 @@ static int get_dist_table(struct Qdisc *sch, const struct nlattr *attr) int i; size_t s; - if (n > NETEM_DIST_MAX) + if (!n || n > NETEM_DIST_MAX) return -EINVAL; s = sizeof(struct disttable) + n * sizeof(s16); |