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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-11-29 06:39:44 +0100
committerDavid S. Miller <davem@davemloft.net>2013-11-30 12:48:13 -0500
commit7f88c6b23afbd31545c676dea77ba9593a1a14bf (patch)
tree632026254bc2ca731676e4327381dbe265153f76 /tools
parent696701b89d44c636c800a9b98f4a6a8015a6e1c4 (diff)
ipv6: fix possible seqlock deadlock in ip6_finish_output2
IPv6 stats are 64 bits and thus are protected with a seqlock. By not disabling bottom-half we could deadlock here if we don't disable bh and a softirq reentrantly updates the same mib. Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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