From: David Lamparter <equinox@opensourcerouting.org>
Date: Mon, 25 Apr 2022 12:07:41 +0000 (+0200)
Subject: build: fix new gcc 11.2 warnings
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=refs%2Fpull%2F11100%2Fhead;p=mirror%2Ffrr.git

build: fix new gcc 11.2 warnings

Some recent improvement in GCC triggers 2 new warnings, and they're
actual bugs (reading beyond end of prefix_ipv6 by accessing it as
prefix, which is larger.)  Luckily it's only in sharpd.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
(cherry picked from commit 5c7a6fb36c0cf8113c19af7354782838988b263b)
---

diff --git a/sharpd/sharp_vty.c b/sharpd/sharp_vty.c
index 5bf5f8af93..e6b6981ee5 100644
--- a/sharpd/sharp_vty.c
+++ b/sharpd/sharp_vty.c
@@ -102,7 +102,7 @@ DEFPY(watch_nexthop_v6, watch_nexthop_v6_cmd,
 		p.family = AF_INET6;
 	} else {
 		type_import = true;
-		p = *(const struct prefix *)inhop;
+		prefix_copy(&p, inhop);
 	}
 
 	sharp_nh_tracker_get(&p);
@@ -147,7 +147,7 @@ DEFPY(watch_nexthop_v4, watch_nexthop_v4_cmd,
 	}
 	else {
 		type_import = true;
-		p = *(const struct prefix *)inhop;
+		prefix_copy(&p, inhop);
 	}
 
 	sharp_nh_tracker_get(&p);