zebra: fix another FreeBSD warning message

When an empty netmask a wrong end size is calculated, lets handle this
corner case to avoid spurious warning messages.

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>

diff --git a/zebra/kernel_socket.c b/zebra/kernel_socket.c
index 29d2b1f45f92fc8b2e139d81f3479306f124a971..84b06e579f91c661a09aee2ab30560a8b8e53073 100644 (file)
--- a/zebra/kernel_socket.c
+++ b/zebra/kernel_socket.c
@@ -769,7 +769,7 @@ static void ifam_read_mesg(struct ifa_msghdr *ifm, union sockunion *addr,
 
        /* Assert read up end point matches to end point */
        pnt = (caddr_t)ROUNDUP((size_t)pnt);
-       if (pnt != end)
+       if (pnt != (caddr_t)ROUNDUP((size_t)end))
                zlog_debug("ifam_read() doesn't read all socket data");
 }