[lkml]   [2019]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH hyperv-fixes,v3] hv_netvsc: Fix unwanted wakeup after tx_disable
From: Haiyang Zhang <>
Date: Thu, 28 Mar 2019 19:40:36 +0000

> From: Haiyang Zhang <>
> After queue stopped, the wakeup mechanism may wake it up again
> when ring buffer usage is lower than a threshold. This may cause
> send path panic on NULL pointer when we stopped all tx queues in
> netvsc_detach and start removing the netvsc device.
> This patch fix it by adding a tx_disable flag to prevent unwanted
> queue wakeup.
> Fixes: 7b2ee50c0cd5 ("hv_netvsc: common detach logic")
> Reported-by: Mohammed Gamal <>
> Signed-off-by: Haiyang Zhang <>

Applied and queued up for -stable, thanks.

 \ /
  Last update: 2019-04-01 20:06    [W:0.030 / U:0.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site