udp: Should use spin_lock_bh()/spin_unlock_bh() in udp_lib_unhash()
Spotted by Alexander Beregalov
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index c3ecec8..f760b86 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -970,12 +970,12 @@
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);