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mroute: fix up family handling

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Only ipv4 and ipv6 have multicast routing. Set family
accordingly and just return for other cases.

Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
David Ahern 2018-12-19 13:11:15 -08:00
parent c7e6371bc4
commit 98ce99273f
1 changed files with 9 additions and 7 deletions
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16
ip/ipmroute.c
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@ -223,18 +223,20 @@ void ipmroute_reset_filter(int ifindex)
static int mroute_list(int argc, char **argv)
{
char *id = NULL;
int family;
int family = preferred_family;
ipmroute_reset_filter(0);
if (preferred_family == AF_UNSPEC)
family = AF_INET;
else
family = AF_INET6;
if (family == AF_INET) {
if (family == AF_INET || family == AF_UNSPEC) {
family = RTNL_FAMILY_IPMR;
filter.af = RTNL_FAMILY_IPMR;
filter.tb = RT_TABLE_DEFAULT; /* for backward compatibility */
} else
} else if (family == AF_INET6) {
family = RTNL_FAMILY_IP6MR;
filter.af = RTNL_FAMILY_IP6MR;
} else {
/* family does not have multicast routing */
return 0;
}
filter.msrc.family = filter.mdst.family = family;