From: Miao Xie <[email protected]> if passing NULL to btrfs_free_path(),oops will happen. so we must check the pointer passed to it.
Signed-off-by: Miao Xie <[email protected]> --- fs/btrfs/relocation.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 0b23942..6737803 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -816,8 +816,10 @@ next: list_add_tail(&edge->list[UPPER], &list); } out: - btrfs_free_path(path1); - btrfs_free_path(path2); + if (path1) + btrfs_free_path(path1); + if (path2) + btrfs_free_path(path2); if (err) { INIT_LIST_HEAD(&list); upper = node; -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
