]> git.baikalelectronics.ru Git - kernel.git/commit
ipv4: fix possible seqlock deadlock
authorEric Dumazet <edumazet@google.com>
Thu, 14 Nov 2013 21:37:54 +0000 (13:37 -0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Nov 2013 22:31:14 +0000 (17:31 -0500)
commitc389a259eeb3c951fb6b5d9d8fd6f2a592430943
tree6f4f8ea5fd922fa8fa3cfa87b17d2abcadab02d3
parentecb3de52b54fa6ff50a07e39340dbf7804cb1dcb
ipv4: fix possible seqlock deadlock

ip4_datagram_connect() being called from process context,
it should use IP_INC_STATS() instead of IP_INC_STATS_BH()
otherwise we can deadlock on 32bit arches, or get corruptions of
SNMP counters.

Fixes: a88d1f3a7d6c ("[IPV4]: Fix "ipOutNoRoutes" counter error for TCP and UDP")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/datagram.c