From eb6ecf25863f13401915b87c8bfa4aa9b5f3b7b9 Mon Sep 17 00:00:00 2001 From: zhang kai Date: Thu, 9 Sep 2021 16:39:18 +0800 Subject: [PATCH] ipv6: delay fib6_sernum increase in fib6_add BugLink: https://bugs.launchpad.net/bugs/1947886 [ Upstream commit e87b5052271e39d62337ade531992b7e5d8c2cfa ] only increase fib6_sernum in net namespace after add fib6_info successfully. Signed-off-by: zhang kai Reviewed-by: David Ahern Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Kamal Mostafa Signed-off-by: Kelsey Skunberg --- net/ipv6/ip6_fib.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index bb68290ad68d..9a6f66e0e9a2 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1310,7 +1310,6 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt, int err = -ENOMEM; int allow_create = 1; int replace_required = 0; - int sernum = fib6_new_sernum(info->nl_net); if (info->nlh) { if (!(info->nlh->nlmsg_flags & NLM_F_CREATE)) @@ -1410,7 +1409,7 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt, if (!err) { if (rt->nh) list_add(&rt->nh_list, &rt->nh->f6i_list); - __fib6_update_sernum_upto_root(rt, sernum); + __fib6_update_sernum_upto_root(rt, fib6_new_sernum(info->nl_net)); fib6_start_gc(info->nl_net, rt); } -- 2.39.5