Use data != NULL to be more explicit. No functional change.

OK tb@

diff --git a/usr.sbin/bgpd/rde_attr.c b/usr.sbin/bgpd/rde_attr.c
index f6e24ba..982f5cd 100644 (file)
--- a/usr.sbin/bgpd/rde_attr.c
+++ b/usr.sbin/bgpd/rde_attr.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rde_attr.c,v 1.132 2022/12/14 12:37:15 claudio Exp $ */
+/*     $OpenBSD: rde_attr.c,v 1.133 2023/06/12 12:10:17 claudio Exp $ */
 
 /*
  * Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org>
@@ -85,7 +85,7 @@ attr_writebuf(struct ibuf *buf, uint8_t flags, uint8_t type, void *data,
 
        if (ibuf_add(buf, hdr, flags & ATTR_EXTLEN ? 4 : 3) == -1)
                return (-1);
-       if (data && ibuf_add(buf, data, data_len) == -1)
+       if (data != NULL && ibuf_add(buf, data, data_len) == -1)
                return (-1);
        return (0);
 }