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Commit c8db3fec authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

udp: Should use spin_lock_bh()/spin_unlock_bh() in udp_lib_unhash() 



Spotted by Alexander Beregalov

Signed-off-by: default avatarEric Dumazet <dada1@cosmosbay.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8cf14e38

net/ipv4/udp.c

+2 −2
Original line number Diff line number Diff line
@@ -970,12 +970,12 @@ void udp_lib_unhash(struct sock *sk) 
	unsigned int hash = udp_hashfn(sock_net(sk), sk->sk_hash);

	struct udp_hslot *hslot = &udptable->hash[hash];



	spin_lock(&hslot->lock);

	spin_lock_bh(&hslot->lock);

	if (sk_del_node_init_rcu(sk)) {

		inet_sk(sk)->num = 0;

		sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);

	}

	spin_unlock(&hslot->lock);

	spin_unlock_bh(&hslot->lock);

}

EXPORT_SYMBOL(udp_lib_unhash);