]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
be2net: fix data race in be_get_new_eqd
authorDavid Yang <mmyangfl@gmail.com>
Mon, 19 Jan 2026 15:34:36 +0000 (23:34 +0800)
committerJakub Kicinski <kuba@kernel.org>
Wed, 21 Jan 2026 02:30:02 +0000 (18:30 -0800)
commit302e5b481caa7b3d11ec0e058434c1fc95195e50
treeb2dad65bd219eca8df66fc83b298050107df1107
parent5fbe395cd1fdbc883584e7f38369e4ba5ca778d2
be2net: fix data race in be_get_new_eqd

In be_get_new_eqd(), statistics of pkts, protected by u64_stats_sync, are
read and accumulated in ignorance of possible u64_stats_fetch_retry()
events. Before the commit in question, these statistics were retrieved
one by one directly from queues. Fix this by reading them into temporary
variables first.

Fixes: 209477704187 ("be2net: set interrupt moderation for Skyhawk-R using EQ-DB")
Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20260119153440.1440578-1-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ethernet/emulex/benet/be_main.c