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| author | Tsutomu Itoh <t-itoh@jp.fujitsu.com> | 2011-02-01 12:17:35 +0300 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-02-01 15:16:37 +0300 |
| commit | 5df67083488ccbad925f583b698ab38f8629a016 (patch) | |
| tree | ec428f27f1b72c4d8e284831d4bef8894b2b8457 /fs/btrfs/tree-log.c | |
| parent | c87fb6fdcaf7560940b31a0c78c3e6370e3433cf (diff) | |
| download | linux-5df67083488ccbad925f583b698ab38f8629a016.tar.xz | |
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/tree-log.c')
| -rw-r--r-- | fs/btrfs/tree-log.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 42dfc3077040..6d66e5caff97 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2751,7 +2751,13 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, log = root->log_root; path = btrfs_alloc_path(); + if (!path) + return -ENOMEM; dst_path = btrfs_alloc_path(); + if (!dst_path) { + btrfs_free_path(path); + return -ENOMEM; + } min_key.objectid = inode->i_ino; min_key.type = BTRFS_INODE_ITEM_KEY; |