Merge pull request #4366 from qlyoung/vrrp-coverity-fixes

vrrpd: fix coverity warnings
This commit is contained in:
Renato Westphal 2019-05-20 10:24:25 -03:00 committed by GitHub
commit 7df5a3c7e2
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3 changed files with 15 additions and 5 deletions

View File

@ -763,7 +763,7 @@ static void vrrp_send_advertisement(struct vrrp_router *r)
const char *group = r->family == AF_INET ? VRRP_MCASTV4_GROUP_STR
: VRRP_MCASTV6_GROUP_STR;
str2sockunion(group, &dest);
(void)str2sockunion(group, &dest);
ssize_t sent = sendto(r->sock_tx, pkt, (size_t)pktsz, 0, &dest.sa,
sockunion_sizeof(&dest));
@ -969,7 +969,7 @@ static int vrrp_read(struct thread *thread)
uint8_t control[64];
struct ipaddr src = {};
struct msghdr m;
struct msghdr m = {};
struct iovec iov;
iov.iov_base = r->ibuf;
@ -1384,7 +1384,6 @@ static void vrrp_change_state_backup(struct vrrp_router *r)
*/
static void vrrp_change_state_initialize(struct vrrp_router *r)
{
r->vr->advertisement_interval = r->vr->advertisement_interval;
r->master_adver_interval = 0;
vrrp_recalculate_timers(r);

View File

@ -124,7 +124,7 @@ void vrrp_garp_send(struct vrrp_router *r, struct in_addr *v4)
if (ifp->flags & IFF_NOARP) {
zlog_warn(
VRRP_LOGPFX VRRP_LOGPFX_VRID VRRP_LOGPFX_FAM
"Unable to send gratuitous ARP on %s; has IFF_NOARP\n",
"Unable to send gratuitous ARP on %s; has IFF_NOARP",
r->vr->vrid, family2str(r->family), ifp->name);
return;
}
@ -132,6 +132,14 @@ void vrrp_garp_send(struct vrrp_router *r, struct in_addr *v4)
/* Build garp */
garpbuf_len = vrrp_build_garp(garpbuf, ifp, v4);
if (garpbuf_len < 0) {
zlog_warn(
VRRP_LOGPFX VRRP_LOGPFX_VRID VRRP_LOGPFX_FAM
"Unable to send gratuitous ARP on %s; MAC address unknown",
r->vr->vrid, family2str(r->family), ifp->name);
return;
};
/* Send garp */
inet_ntop(AF_INET, v4, astr, sizeof(astr));

View File

@ -139,7 +139,10 @@ static int vrrp_ndisc_una_build(struct interface *ifp, struct ipaddr *ip,
ph.dst = ip6h->ip6_dst;
ph.ulpl = htonl(len);
ph.next_hdr = IPPROTO_ICMPV6;
icmp6h->icmp6_cksum = in_cksum_with_ph6(&ph, (void *)icmp6h, len);
/* Suppress static analysis warnings about accessing icmp6 oob */
void *offset = icmp6h;
icmp6h->icmp6_cksum = in_cksum_with_ph6(&ph, offset, len);
return 0;
}