1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ea9965430241..1f5556acb530 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2028,6 +2028,7 @@ static noinline_for_stack int merge_reloc_root(struct reloc_control *rc,
 
         while (1) {
                 trans = btrfs_start_transaction(root, 0);
+                BUG_ON(IS_ERR(trans));
                 trans->block_rsv = rc->block_rsv;
 
                 ret = btrfs_block_rsv_check(trans, root, rc->block_rsv,
@@ -3665,6 +3666,7 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
 
         while (1) {
                 trans = btrfs_start_transaction(rc->extent_root, 0);
+                BUG_ON(IS_ERR(trans));
 
                 if (update_backref_cache(trans, &rc->backref_cache)) {
                         btrfs_end_transaction(trans, rc->extent_root);
@@ -4033,6 +4035,7 @@ static noinline_for_stack int mark_garbage_root(struct btrfs_root *root)
         int ret;
 
         trans = btrfs_start_transaction(root->fs_info->tree_root, 0);
+        BUG_ON(IS_ERR(trans));
 
         memset(&root->root_item.drop_progress, 0,
                 sizeof(root->root_item.drop_progress));