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Date: Wed, 25 Sep 2019 07:53:19 -0700 From: David Ahern <dsahern@...nel.org> To: davem@...emloft.net, jakub.kicinski@...ronome.com Cc: netdev@...r.kernel.org, David Ahern <dsahern@...il.com>, Patrick Ruddy <pruddy@...tta.att-mail.com> Subject: [PATCH net] vrf: Do not attempt to create IPv6 mcast rule if IPv6 is disabled From: David Ahern <dsahern@...il.com> 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@...il.com> Cc: Patrick Ruddy <pruddy@...tta.att-mail.com> --- drivers/net/vrf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 6e84328bdd40..a4b38a980c3c 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1154,7 +1154,8 @@ static int vrf_fib_rule(const struct net_device *dev, __u8 family, bool add_it) 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); -- 2.11.0
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