From: Jeff Mahoney <je...@suse.com>
If btrfs_del_root fails in btrfs_drop_snapshot, we'll pick up the
error but then return 0 anyway due to mixing err and ret.
Fixes: 79787eaab4612 ("btrfs: replace many BUG_ONs with proper error handling")
Cc: <sta...@vger.kernel.org> # v3.4+
Signed-off-by: Jeff Mahoney <je...@suse.com>
---
fs/btrfs/extent-tree.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4497f937e8fb..2f4328511ac8 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -9206,6 +9206,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
ret = btrfs_del_root(trans, fs_info, &root->root_key);
if (ret) {
btrfs_abort_transaction(trans, ret);
+ err = ret;
goto out_end_trans;
}
--
2.14.2
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