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btrfs: return ENOMEM if path allocation fails in btrfs_cross_ref_exist 

The error code does not match the reason of failure and may confuse the
callers.

Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Su Yue 2018-05-30 14:49:10 +08:00 committed by David Sterba
parent 1389053e1b
commit 9132c4ff6f
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent-tree.c
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@ -3272,7 +3272,7 @@ int btrfs_cross_ref_exist(struct btrfs_root *root, u64 objectid, u64 offset,
path = btrfs_alloc_path();
if (!path)
return -ENOENT;
return -ENOMEM;
do {
ret = check_committed_ref(root, path, objectid,