diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 185bf7e..c16c94f5 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -638,7 +638,9 @@
 
 void nlmsvc_grant_release(void *data)
 {
-	nlmsvc_release_block(data);
+	struct nlm_rqst		*call = data;
+
+	nlmsvc_release_block(call->a_block);
 }
 
 static const struct rpc_call_ops nlmsvc_grant_ops = {