inet: fix possible seqlock deadlocks
authorEric Dumazet <edumazet@google.com>
Thu, 28 Nov 2013 17:51:22 +0000 (09:51 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 8 Dec 2013 15:29:26 +0000 (07:29 -0800)
commit7be560d6fa090edd57fa2761282f46ef85a20088
tree5e838c2209b262667ef46a0728b1dfe78e80d019
parenta52a9149f57d0b00dab0699028174a4f91dcb02f
inet: fix possible seqlock deadlocks

[ Upstream commit f1d8cba61c3c4b1eb88e507249c4cb8d635d9a76 ]

In commit c9e9042994d3 ("ipv4: fix possible seqlock deadlock") I left
another places where IP_INC_STATS_BH() were improperly used.

udp_sendmsg(), ping_v4_sendmsg() and tcp_v4_connect() are called from
process context, not from softirq context.

This was detected by lockdep seqlock support.

Reported-by: jongman heo <jongman.heo@samsung.com>
Fixes: 584bdf8cbdf6 ("[IPV4]: Fix "ipOutNoRoutes" counter error for TCP and UDP")
Fixes: c319b4d76b9e ("net: ipv4: add IPPROTO_ICMP socket kind")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/ping.c
net/ipv4/tcp_ipv4.c
net/ipv4/udp.c