Wei Yongjun
2012-Sep-02 13:44 UTC
[PATCH] Btrfs: fix possible memory leak in scrub_setup_recheck_block()
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn> 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: Wei Yongjun <yongjun_wei@trendmicro.com.cn> --- fs/btrfs/scrub.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index b223620..4e9eafe 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -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++; -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html