lockd: nlm_release_host() checks for NULL, caller needn't

No need to check for a NULL argument twice.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

fs/lockd/svc4proc.c

@@ -58,8 +58,7 @@ nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
 	return 0;
 
 no_locks:
-	if (host)
-		nlm_release_host(host);
+	nlm_release_host(host);
  	if (error)
 		return error;	
 	return nlm_lck_denied_nolocks;