RE: [PATCH net] tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()

[Tung Quang Nguyen]

> net/tipc/bearer.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 2cde375477e3..878415c43527 100644
>--- a/net/tipc/bearer.c
>+++ b/net/tipc/bearer.c
>@@ -1086,6 +1086,12 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info)
>
> #ifdef CONFIG_TIPC_MEDIA_UDP
> 	if (attrs[TIPC_NLA_BEARER_UDP_OPTS]) {
>+		if (b->media->type_id != TIPC_MEDIA_TYPE_UDP) {
>+			rtnl_unlock();
>+			NL_SET_ERR_MSG(info->extack, "UDP option is unsupported");
>+			return -EINVAL;
>+		}
>+
> 		err = tipc_udp_nl_bearer_add(b,
> 					     attrs[TIPC_NLA_BEARER_UDP_OPTS]);
> 		if (err) {
>--
>2.41.0
>
Reviewed-by: Tung Nguyen <tung.q.nguyen@xxxxxxxxxxxxxx>