diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 485ebc2b2144c..658b0f4a01f56 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -2373,18 +2373,20 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
 			       const char *buffer, size_t size)
 {
 	const char *err;
-	char *path;
+	char *path = NULL;
 	struct cache_sb *sb;
 	struct block_device *bdev = NULL;
 	struct page *sb_page;
 	ssize_t ret;
 
 	ret = -EBUSY;
+	err = "failed to reference bcache module";
 	if (!try_module_get(THIS_MODULE))
 		goto out;
 
 	/* For latest state of bcache_is_reboot */
 	smp_mb();
+	err = "bcache is in reboot";
 	if (bcache_is_reboot)
 		goto out_module_put;