Index: head/sys/fs/fuse/fuse_vfsops.c
===================================================================
--- head/sys/fs/fuse/fuse_vfsops.c
+++ head/sys/fs/fuse/fuse_vfsops.c
@@ -225,7 +225,7 @@
 	size_t len;
 
 	struct cdev *fdev;
-	struct fuse_data *data;
+	struct fuse_data *data = NULL;
 	struct thread *td;
 	struct file *fp, *fptmp;
 	char *fspec, *subtype;
@@ -361,7 +361,7 @@
 out:
 	if (err) {
 		FUSE_LOCK();
-		if (data->mp == mp) {
+		if (data != NULL && data->mp == mp) {
 			/*
 			 * Destroy device only if we acquired reference to
 			 * it