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authorEric Dumazet <edumazet@google.com>2013-11-28 09:51:22 -0800
committerDavid S. Miller <davem@davemloft.net>2013-11-29 16:37:36 -0500
commitf1d8cba61c3c4b1eb88e507249c4cb8d635d9a76 (patch)
tree6938dd6d189b1a77cc5d10d55ad2d798f79d9b54 /net/ipv4/udp.c
parentf5e0d34382e18f396d7673a84df8e3342bea7eb6 (diff)
inet: fix possible seqlock deadlocks
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>
Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index bf2b85b25491..44f6a20fa29d 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -999,7 +999,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
err = PTR_ERR(rt);
rt = NULL;
if (err == -ENETUNREACH)
- IP_INC_STATS_BH(net, IPSTATS_MIB_OUTNOROUTES);
+ IP_INC_STATS(net, IPSTATS_MIB_OUTNOROUTES);
goto out;
}