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tcp: fix wraparound issue in tcp_lp
authorEric Dumazet <edumazet@google.com>
Mon, 1 May 2017 22:29:48 +0000 (15:29 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 14 May 2017 12:06:01 +0000 (14:06 +0200)
commita1baca92afd5c420fb854ed79cb8cd3d8be29fbb
tree8099ebfd9d6c545a3eb60288aee98a1ef185331btree | snapshot
parentf94cc32ccbbab581ffd116795ac76c8ae69b8f22commit | diff
tcp: fix wraparound issue in tcp_lp

[ Upstream commit a9f11f963a546fea9144f6a6d1a307e814a387e7 ]

Be careful when comparing tcp_time_stamp to some u32 quantity,
otherwise result can be surprising.

Fixes: 7c106d7e782b ("[TCP]: TCP Low Priority congestion control")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/tcp_lp.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git