aboutsummaryrefslogtreecommitdiff
path: root/net/ipv4
diff options
context:
space:
mode:
authorIdo Schimmel2020-09-15 14:41:02 +0300
committerDavid S. Miller2020-09-15 16:31:25 -0700
commit0695564bb4a24440b38b46bf52465a93a0ca1974 (patch)
tree4ae4d8377120d3dc037baa5f1ca9c498c825339d /net/ipv4
parent80690ec6b595807db9a52ec5b225a2d88033ddb5 (diff)
nexthop: Only emit a notification when nexthop is actually deleted
Currently, the in-kernel delete notification is emitted from the error path of nexthop_add() and replace_nexthop(), which can be confusing to in-kernel listeners as they are not familiar with the nexthop. Instead, only emit the notification when the nexthop is actually deleted. The following sub-cases are covered: 1. User space deletes the nexthop 2. The nexthop is deleted by the kernel due to a netdev event (e.g., nexthop device going down) 3. A group is deleted because its last nexthop is being deleted 4. The network namespace of the nexthop device is deleted Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/nexthop.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 13d9219a9aa1..8c0f17c6863c 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -870,8 +870,6 @@ static void __remove_nexthop_fib(struct net *net, struct nexthop *nh)
bool do_flush = false;
struct fib_info *fi;
- call_nexthop_notifiers(net, NEXTHOP_EVENT_DEL, nh);
-
list_for_each_entry(fi, &nh->fi_list, nh_list) {
fi->fib_flags |= RTNH_F_DEAD;
do_flush = true;
@@ -909,6 +907,8 @@ static void __remove_nexthop(struct net *net, struct nexthop *nh,
static void remove_nexthop(struct net *net, struct nexthop *nh,
struct nl_info *nlinfo)
{
+ call_nexthop_notifiers(net, NEXTHOP_EVENT_DEL, nh);
+
/* remove from the tree */
rb_erase(&nh->rb_node, &net->nexthop.rb_root);