diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index ddb3e05..b61c063 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -1106,7 +1106,7 @@
 	struct iovec iovstack[UIO_FASTIOV], *iov = iovstack;
 	long ret;
 
-	if (_payload_iov == 0 || ioc == 0)
+	if (!_payload_iov || !ioc)
 		goto no_payload;
 
 	ret = rw_copy_check_uvector(WRITE, _payload_iov, ioc,