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Btrfs: avoid possible NULL deref in io_ctl_drop_pages()
authorLi Zefan <lizf@cn.fujitsu.com>
Mon, 9 Jan 2012 06:27:42 +0000 (14:27 +0800)
committerGuru Anbalagane <guru.anbalagane@oracle.com>
Fri, 27 Jan 2012 01:20:36 +0000 (17:20 -0800)
commit434d55fe43c81105b2e2694650e03093250e5128
tree21aec0ad37b45b3dc0ed3e165e3c3a9789f39a29tree
parent16cca65bd111572f29583598e603dfd6fcc7224ccommit | diff
Btrfs: avoid possible NULL deref in io_ctl_drop_pages()

If we run into some failure path in io_ctl_prepare_pages(),
io_ctl->pages[] array may have some NULL pointers.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
(cherry picked from commit a1ee5a45818acc7f9c13e560827cf3e8735ac919)
fs/btrfs/free-space-cache.c diff | blob | history
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