| Message ID | 20240110110451.5473-3-ptikhomirov@virtuozzo.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | netlink: bridge: fix nf_bridge->physindev use after free | expand |
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c index 63d1516816b1f..3dfcb3ac5cb44 100644 --- a/net/netfilter/nf_queue.c +++ b/net/netfilter/nf_queue.c @@ -82,10 +82,8 @@ static void __nf_queue_entry_init_physdevs(struct nf_queue_entry *entry) { #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) const struct sk_buff *skb = entry->skb; - struct nf_bridge_info *nf_bridge; - nf_bridge = nf_bridge_info_get(skb); - if (nf_bridge) { + if (nf_bridge_info_exists(skb)) { entry->physin = nf_bridge_get_physindev(skb); entry->physout = nf_bridge_get_physoutdev(skb); } else {
We don't really need nf_bridge variable here. And nf_bridge_info_exists is better replacement for nf_bridge_info_get in case we are only checking for existance. Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com> --- net/netfilter/nf_queue.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)