Btrfs: fix double free in find_lock_delalloc_range
authorChris Mason <clm@fb.com>
Wed, 21 May 2014 12:49:54 +0000 (05:49 -0700)
committerChris Mason <clm@fb.com>
Tue, 10 Jun 2014 00:20:52 +0000 (17:20 -0700)
We need to NULL the cached_state after freeing it, otherwise
we might free it again if find_delalloc_range doesn't find anything.

Signed-off-by: Chris Mason <clm@fb.com>
cc: stable@vger.kernel.org

fs/btrfs/extent_io.c

Simple merge