Commit cf93dcce authored by Wei Yongjun's avatar Wei Yongjun Committed by Chris Mason
Browse files

Btrfs: fix possible memory leak in scrub_setup_recheck_block() 

bbio has been malloced in btrfs_map_block() and should be
freed before leaving from the error handling cases.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/

)

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
parent 7014cdb4

fs/btrfs/scrub.c

+1 −0
Original line number Diff line number Diff line
@@ -1029,6 +1029,7 @@ static int scrub_setup_recheck_block(struct scrub_dev *sdev, 
				spin_lock(&sdev->stat_lock);

				sdev->stat.malloc_errors++;

				spin_unlock(&sdev->stat_lock);

				kfree(bbio);

				return -ENOMEM;

			}

			sblock->page_count++;