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Btrfs: check return value of alloc_extent_map()
authorTsutomu Itoh <t-itoh@jp.fujitsu.com>
Mon, 14 Feb 2011 00:45:29 +0000 (00:45 +0000)
committerChris Mason <chris.mason@oracle.com>
Mon, 14 Feb 2011 21:21:37 +0000 (16:21 -0500)
commitc26a920373a983b52223eed5a13b97404d8b4158
treea7f76fe1b0cecbc712f0b152ff537805f126b113tree
parent67100f255dba284bcbb5ce795355dad1cff35658commit | diff
Btrfs: check return value of alloc_extent_map()

I add the check on the return value of alloc_extent_map() to several places.
In addition, alloc_extent_map() returns only the address or NULL.
Therefore, check by IS_ERR() is unnecessary. So, I remove IS_ERR() checking.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent-tree.c diff | blob | blame | history
fs/btrfs/extent_map.c diff | blob | blame | history
fs/btrfs/file.c diff | blob | blame | history
fs/btrfs/inode.c diff | blob | blame | history
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