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btrfs: fix uninitialized return value 

When allocation fails in btrfs_read_fs_root_no_name, ret is not set
although it is returned, holding a garbage value.

Signed-off-by: David Sterba <dsterba@suse.cz>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
David Sterba 2011-06-13 15:18:23 +00:00 committed by Chris Mason
parent 19fd294957
commit 35a30d7ce5
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/disk-io.c
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@ -1299,12 +1299,12 @@ again:
return root;
root->free_ino_ctl = kzalloc(sizeof(*root->free_ino_ctl), GFP_NOFS);
if (!root->free_ino_ctl)
goto fail;
root->free_ino_pinned = kzalloc(sizeof(*root->free_ino_pinned),
GFP_NOFS);
if (!root->free_ino_pinned)
if (!root->free_ino_pinned || !root->free_ino_ctl) {
ret = -ENOMEM;
goto fail;
}
btrfs_init_free_ino_ctl(root);
mutex_init(&root->fs_commit_mutex);