3.18-stable review patch. If anyone has any objections, please let me know.
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From: Josef Bacik josef@toxicpanda.com
commit 4559b0a71749c442d34f7cfb9e72c9e58db83948 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/btrfs/extent-tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4281,7 +4281,7 @@ static int flush_space(struct btrfs_root break; }
- return ret; + return 0; }
static inline u64