1 files changed, 4 insertions, 0 deletions
diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 173b3873a4f4..e40c440a4555 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -355,6 +355,10 @@ static int dlm_device_register(struct dlm_ls *ls, char *name)
 	error = misc_register(&ls->ls_device);
 	if (error) {
 		kfree(ls->ls_device.name);
+		/* this has to be set to NULL
+		 * to avoid a double-free in dlm_device_deregister
+		 */
+		ls->ls_device.name = NULL;
 	}
 fail:
 	return error;