tree ec428f27f1b72c4d8e284831d4bef8894b2b8457
parent c87fb6fdcaf7560940b31a0c78c3e6370e3433cf
author Tsutomu Itoh <t-itoh@jp.fujitsu.com> 1296551855 +0000
committer Chris Mason <chris.mason@oracle.com> 1296562597 -0500

btrfs: checking NULL or not in some functions

Because NULL is returned when the memory allocation fails,
it is checked whether it is NULL.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>