btrfs: send: remove BUG from process_all_refs

There are only 2 static callers, the BUG would normally be never
reached, but let's be nice.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 4405aae05281..d3ed9df77422 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -3606,7 +3606,10 @@ static int process_all_refs(struct send_ctx *sctx,
                 root = sctx->parent_root;
                 cb = __record_deleted_ref;
         } else {
-                BUG();
+                btrfs_err(sctx->send_root->fs_info,
+                                "Wrong command %d in process_all_refs", cmd);
+                ret = -EINVAL;
+                goto out;
         }
 
         key.objectid = sctx->cmp_key->objectid;