From: David Lamparter <equinox@opensourcerouting.org>
Date: Fri, 25 Aug 2017 23:27:22 +0000 (+0200)
Subject: bgpd: encap: fix extension sizing
X-Git-Tag: frr-4.0-dev~373^2~3
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=8c9cc7bbf657e3440d9bc758fe45aef5f43c989f;p=matthieu%2Ffrr.git

bgpd: encap: fix extension sizing

Variably-sized struct tails are done as [0], not [1].  The latter
triggers compiler warnings and mis-sizes "sizeof(struct) + n"
expressions.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
---

diff --git a/bgpd/bgp_attr.h b/bgpd/bgp_attr.h
index 324813c085..4dd38459f8 100644
--- a/bgpd/bgp_attr.h
+++ b/bgpd/bgp_attr.h
@@ -72,7 +72,7 @@ struct bgp_attr_encap_subtlv {
 	unsigned long refcnt;
 	uint16_t type;
 	uint16_t length;
-	uint8_t value[1]; /* will be extended */
+	uint8_t value[0]; /* will be extended */
 };
 
 #if ENABLE_BGP_VNC