btrfs_update_root BUG's when it can't alloc a path, yet it can recover
from a search error. This patch returns -ENOMEM instead.
Signed-off-by: Jeff Mahoney <je...@suse.com>
---
fs/btrfs/root-tree.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -93,7 +93,9 @@ int btrfs_update_root(struct btrfs_trans
unsigned long ptr;
path = btrfs_alloc_path();
- BUG_ON(!path);
+ if (!path)
+ return -ENOMEM;
+
ret = btrfs_search_slot(trans, root, key, path, 0, 1);
if (ret < 0)
goto out;
--
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