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btrfs: don't leak ret from do_chunk_alloc

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If we're trying to make a data reservation and we have to allocate a
data chunk we could leak ret == 1, as do_chunk_alloc() will return 1 if
it allocated a chunk.  Since the end of the function is the success path
just return 0.

CC: stable@vger.kernel.org # 4.4+
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2018-07-19 10:49:51 -04:00 committed by David Sterba
parent 84db5ccf42
commit 4559b0a717
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent-tree.c
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@ -4226,7 +4226,7 @@ int btrfs_alloc_data_chunk_ondemand(struct btrfs_inode *inode, u64 bytes)
data_sinfo->flags, bytes, 1);
spin_unlock(&data_sinfo->lock);
return ret;
return 0;
}
int btrfs_check_data_free_space(struct inode *inode,