Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
netfilter: nfnetlink_queue: remove locking in nfqnl_get_sk_secctx
We don't need the cb lock here.
Also, if skb was NULL we'd have crashed already.
Signed-off-by: Florian Westphal <fw@strlen.de>
-7
-7
net/netfilter/nfnetlink_queue.c
-7
net/netfilter/nfnetlink_queue.c
···
592
592
{
593
593
int seclen = 0;
594
594
#if IS_ENABLED(CONFIG_NETWORK_SECMARK)
595
-
596
-
if (!skb || !sk_fullsock(skb->sk))
597
-
return 0;
598
-
599
-
read_lock_bh(&skb->sk->sk_callback_lock);
600
-
601
595
if (skb->secmark)
602
596
seclen = security_secid_to_secctx(skb->secmark, ctx);
603
-
read_unlock_bh(&skb->sk->sk_callback_lock);
604
597
#endif
605
598
return seclen;
606
599
}