]> git.baikalelectronics.ru Git - kernel.git/commit
net: Fix a data-race around sysctl_net_busy_poll.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 23 Aug 2022 17:46:51 +0000 (10:46 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 24 Aug 2022 12:46:58 +0000 (13:46 +0100)
commit158e664e677bd8f1a3b7a3b7aa358d0754e984b4
tree92155026458b74f8e5ded8b63b4fa4df36cdee42
parent4924a18106db977b60e8aaa1e5e9725917669fc5
net: Fix a data-race around sysctl_net_busy_poll.

While reading sysctl_net_busy_poll, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.

Fixes: a9f8f1d34435 ("net: add low latency socket poll")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/busy_poll.h