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(parent: f6b5be4) | patch
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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 31 Aug 2022 15:16:43 +0000 (17:16 +0200)
commit4e12829fd3b9fd428424e865fbb90c093080cb4d
tree7dde39f4ec510c0cb66b5fd3f50093714c5e57aetree | snapshot
parentf6b5be42ce4bd5dfcb69a82d959c68a2dc3636bccommit | diff
net: Fix a data-race around sysctl_net_busy_poll.

[ Upstream commit c42b7cddea47503411bfb5f2f93a4154aaffa2d9 ]

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

Fixes: 060212928670 ("net: add low latency socket poll")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
include/net/busy_poll.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git