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| author | Yajun Deng <yajun.deng@linux.dev> | 2021-08-05 19:55:27 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-08-05 13:27:50 +0100 |
| commit | 1160dfa178eb848327e9dec39960a735f4dc1685 (patch) | |
| tree | b9e62879f43f63602da7a68c20d8e58a5acf79f3 /net/packet | |
| parent | a85b99ab6abb583e051d266c2138647daa5c0ecc (diff) | |
| download | linux-1160dfa178eb848327e9dec39960a735f4dc1685.tar.gz linux-1160dfa178eb848327e9dec39960a735f4dc1685.tar.bz2 linux-1160dfa178eb848327e9dec39960a735f4dc1685.zip | |
net: Remove redundant if statements
The 'if (dev)' statement already move into dev_{put , hold}, so remove
redundant if statements.
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet')
| -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); |