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netrom: Fix data-races around sysctl_netrom_network_ttl_initialiser
authorJason Xing <kernelxing@tencent.com>
Mon, 4 Mar 2024 08:20:37 +0000 (16:20 +0800)
committerSasha Levin <sashal@kernel.org>
Fri, 15 Mar 2024 14:48:15 +0000 (10:48 -0400)
commitacc653e8a3aaab1b7103f98645f2cce7be89e3d3
treefcd1083355b05a4bdfb23179c7c90e44f15d0481tree | snapshot
parente3a3718b1723253d4f068e88e81d880d71f1a1e9commit | diff
netrom: Fix data-races around sysctl_netrom_network_ttl_initialiser

[ Upstream commit 119cae5ea3f9e35cdada8e572cc067f072fa825a ]

We need to protect the reader reading the sysctl value because the
value can be changed concurrently.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/netrom/nr_dev.c diff | blob | history
net/netrom/nr_out.c diff | blob | history
net/netrom/nr_subr.c diff | blob | history
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