From: Zhao Lei <[email protected]>

We need to check return value of btrfs_search_slot() in
btrfs_read_chunk_tree() and do corresponding error handing.

Signed-off-by: Zhao Lei <[email protected]>
Signed-off-by: Miao Xie <[email protected]>
---
 fs/btrfs/volumes.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 3ae1f42..546de6b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3389,6 +3389,8 @@ int btrfs_read_chunk_tree(struct btrfs_root *root)
        key.type = 0;
 again:
        ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+       if (ret < 0)
+               goto error;
        while (1) {
                leaf = path->nodes[0];
                slot = path->slots[0];
-- 
1.6.5.2


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