| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.3 028/344] vrf: Do not attempt to create IPv6 mcast rule if IPv6 is disabled | Date | Thu, 3 Oct 2019 17:49:53 +0200 |
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From: David Ahern <dsahern@gmail.com>
[ Upstream commit dac91170f8e9c73784af5fad6225e954b795601c ]
A user reported that vrf create fails when IPv6 is disabled at boot using 'ipv6.disable=1': https://bugzilla.kernel.org/show_bug.cgi?id=204903
The failure is adding fib rules at create time. Add RTNL_FAMILY_IP6MR to the check in vrf_fib_rule if ipv6_mod_enabled is disabled.
Fixes: e4a38c0c4b27 ("ipv6: add vrf table handling code for ipv6 mcast") Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Patrick Ruddy <pruddy@vyatta.att-mail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/vrf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1154,7 +1154,8 @@ static int vrf_fib_rule(const struct net struct sk_buff *skb; int err; - if (family == AF_INET6 && !ipv6_mod_enabled()) + if ((family == AF_INET6 || family == RTNL_FAMILY_IP6MR) && + !ipv6_mod_enabled()) return 0; skb = nlmsg_new(vrf_fib_rule_nl_size(), GFP_KERNEL);
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