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zebra: Check for NULL in connected_add_ipv6

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When I implemented the same functionality in add_ipv6 that
add_ipv4 has I just assumed that broad would not be NULL with
the ZEBRA_IFA_PEER flag set.

Modify the code to act similiar to the flow of control
in add_ipv4.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-04-16 11:17:52 -04:00
parent 60c0687a9a
commit f52d0a1a70
1 changed files with 7 additions and 1 deletions
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8
zebra/connected.c
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@ -519,12 +519,18 @@ void connected_add_ipv6(struct interface *ifp, int flags, struct in6_addr *addr,
p->prefixlen = prefixlen; p->prefixlen = prefixlen;
ifc->address = (struct prefix *)p; ifc->address = (struct prefix *)p;
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER)) { if (broad) {
p = prefix_ipv6_new(); p = prefix_ipv6_new();
p->family = AF_INET6; p->family = AF_INET6;
IPV6_ADDR_COPY(&p->prefix, broad); IPV6_ADDR_COPY(&p->prefix, broad);
p->prefixlen = prefixlen; p->prefixlen = prefixlen;
ifc->destination = (struct prefix *)p; ifc->destination = (struct prefix *)p;
} else {
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER)) {
zlog_warn("warning: %s called for interface %s with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
} }
/* Label of this address. */ /* Label of this address. */