[libvirt] [PATCH] Coverity fix for virNetDevIPCheckIPv6ForwardingCallback
Add check for more than one RTA_OIF, even though this is rather
unlikely and get rid of the buggy switch / break.
---
src/util/virnetdevip.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/util/virnetdevip.c b/src/util/virnetdevip.c
index c9ac6baf7..f5662413a 100644
--- a/src/util/virnetdevip.c
+++ b/src/util/virnetdevip.c
@@ -556,15 +556,17 @@ virNetDevIPCheckIPv6ForwardingCallback(const struct nlmsghdr *resp,
if (resp->nlmsg_type != RTM_NEWROUTE)
return ret;
- /* Extract a few attributes */
+ /* Extract a device ID attribute */
for (rta = RTM_RTA(rtmsg); RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
- switch (rta->rta_type) {
- case RTA_OIF:
+ if (rta->rta_type == RTA_OIF) {
oif = *(int *)RTA_DATA(rta);
+ /* Should never happen: netlink message would be broken */
+ if (ifname)
+ goto error;
+
if (!(ifname = virNetDevGetName(oif)))
goto error;
- break;
}
}
--
2.12.0