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carp: assert that we are calling correct input function. We are.

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Reviewed by:	kp
Differential Revision:	https://reviews.freebsd.org/D45037
This commit is contained in:
Gleb Smirnoff 2024-04-29 15:54:57 -07:00 committed by Kristof Provost
parent 5ee92cbd82
commit cda57d955b
1 changed files with 4 additions and 3 deletions
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7
sys/netinet/ip_carp.c
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@ -835,6 +835,7 @@ carp_input_c(struct mbuf *m, struct carp_header *ch, sa_family_t af, int ttl)
bool multicast = false;
NET_EPOCH_ASSERT();
MPASS(ch->carp_version == CARP_VERSION_CARP);
ifa = carp_find_ifa(m, af, ch->carp_vhid);
if (ifa == NULL) {
@ -846,8 +847,7 @@ carp_input_c(struct mbuf *m, struct carp_header *ch, sa_family_t af, int ttl)
CARP_LOCK(sc);
/* verify the CARP version. */
if (ch->carp_version != CARP_VERSION_CARP ||
sc->sc_version != CARP_VERSION_CARP) {
if (sc->sc_version != CARP_VERSION_CARP) {
CARP_UNLOCK(sc);
CARPSTATS_INC(carps_badver);
@ -956,6 +956,7 @@ vrrp_input_c(struct mbuf *m, int off, sa_family_t af, int ttl,
struct carp_softc *sc;
NET_EPOCH_ASSERT();
MPASS(vh->vrrp_version == CARP_VERSION_VRRPv3);
ifa = carp_find_ifa(m, af, vh->vrrp_vrtid);
if (ifa == NULL) {
@ -969,7 +970,7 @@ vrrp_input_c(struct mbuf *m, int off, sa_family_t af, int ttl,
ifa_free(ifa);
/* verify the CARP version. */
if (vh->vrrp_version != CARP_VERSION_VRRPv3 || sc->sc_version != CARP_VERSION_VRRPv3) {
if (sc->sc_version != CARP_VERSION_VRRPv3) {
CARP_UNLOCK(sc);
CARPSTATS_INC(carps_badver);