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author | Tsutomu Itoh <t-itoh@jp.fujitsu.com> | 2011-02-01 09:17:35 +0000 |
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committer | Chris Mason <chris.mason@oracle.com> | 2011-02-01 07:16:37 -0500 |
commit | 5df67083488ccbad925f583b698ab38f8629a016 (patch) | |
tree | ec428f27f1b72c4d8e284831d4bef8894b2b8457 /fs/btrfs/extent-tree.c | |
parent | c87fb6fdcaf7560940b31a0c78c3e6370e3433cf (diff) | |
download | kernel_samsung_smdk4412-5df67083488ccbad925f583b698ab38f8629a016.zip kernel_samsung_smdk4412-5df67083488ccbad925f583b698ab38f8629a016.tar.gz kernel_samsung_smdk4412-5df67083488ccbad925f583b698ab38f8629a016.tar.bz2 |
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>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r-- | fs/btrfs/extent-tree.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index f96641a..9de4ff0 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -6496,6 +6496,8 @@ static noinline int relocate_inode_pages(struct inode *inode, u64 start, int ret = 0; ra = kzalloc(sizeof(*ra), GFP_NOFS); + if (!ra) + return -ENOMEM; mutex_lock(&inode->i_mutex); first_index = start >> PAGE_CACHE_SHIFT; |