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author | Eric Dumazet <edumazet@google.com> | 2013-11-28 17:51:22 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-08 15:29:15 (GMT) |
commit | 556a91d4d7c6f37f26701c7c067e486f79272671 (patch) | |
tree | 53ad9efe7666f04fbb6c73c4951178b5efcd396c /net/ipv4/ping.c | |
parent | 34923f1eccdbd8c143b664edd933ce2840a50378 (diff) | |
download | linux-fsl-qoriq-556a91d4d7c6f37f26701c7c067e486f79272671.tar.xz |
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>
Diffstat (limited to 'net/ipv4/ping.c')
-rw-r--r-- | net/ipv4/ping.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index fc611e5..c482f7c 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -769,7 +769,7 @@ int ping_v4_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; } |