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| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2013-11-29 05:39:44 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-08 15:29:15 (GMT) |
| commit | 76a7894419438faeb03cf9a83b61c27e56f7a43a (patch) | |
| tree | ea2fca1dad9593d0eeb13c01683444ebe726379b /fs/xfs/xfs_inode.c | |
| parent | 556a91d4d7c6f37f26701c7c067e486f79272671 (diff) | |
| download | linux-fsl-qoriq-76a7894419438faeb03cf9a83b61c27e56f7a43a.tar.xz | |
ipv6: fix possible seqlock deadlock in ip6_finish_output2
[ Upstream commit 7f88c6b23afbd31545c676dea77ba9593a1a14bf ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/xfs/xfs_inode.c')
0 files changed, 0 insertions, 0 deletions