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(parent: 53b7b98) | patch
Btrfs: fix unsafe usage of merge_state
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Wed, 20 Apr 2011 06:45:49 +0000 (06:45 +0000)
committerChris Mason <chris.mason@oracle.com>
Mon, 23 May 2011 17:24:41 +0000 (13:24 -0400)
commit1e41b041cc7e40c2822e3d9d0ce8e2a461062414
tree1b2a05c2efe1f169983bff7a497d812aa86c3000tree | snapshot
parent53b7b98f12a68452afa57ca458cfcb9c0f08a61dcommit | diff
Btrfs: fix unsafe usage of merge_state

merge_state can free the current state if it can be merged with the next node,
but in set_extent_bit(), after merge_state, we still use the current extent to
get the next node and cache it into cached_state

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent_io.c diff | blob | history
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