diff options
Diffstat (limited to 'net/packet/af_packet.c')
| -rw-r--r-- | net/packet/af_packet.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 57a1971f29e5..543365f58e97 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -250,8 +250,7 @@ static struct net_device *packet_cached_dev_get(struct packet_sock *po) rcu_read_lock(); dev = rcu_dereference(po->cached_dev); - if (likely(dev)) - dev_hold(dev); + dev_hold(dev); rcu_read_unlock(); return dev; @@ -3024,8 +3023,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) out_free: kfree_skb(skb); out_unlock: - if (dev) - dev_put(dev); + dev_put(dev); out: return err; } @@ -3158,8 +3156,7 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex, } } - if (dev) - dev_hold(dev); + dev_hold(dev); proto_curr = po->prot_hook.type; dev_curr = po->prot_hook.dev; @@ -3196,8 +3193,7 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex, packet_cached_dev_assign(po, dev); } } - if (dev_curr) - dev_put(dev_curr); + dev_put(dev_curr); if (proto == 0 || !need_rehook) goto out_unlock; @@ -4109,8 +4105,7 @@ static int packet_notifier(struct notifier_block *this, if (msg == NETDEV_UNREGISTER) { packet_cached_dev_reset(po); WRITE_ONCE(po->ifindex, -1); - if (po->prot_hook.dev) - dev_put(po->prot_hook.dev); + dev_put(po->prot_hook.dev); po->prot_hook.dev = NULL; } spin_unlock(&po->bind_lock); |