mirror of https://gitee.com/openkylin/linux.git
[AF_PACKET]: Fix minor code duplication
Simplify some code by eliminating duplicate if-else clauses in packet_do_bind(). Signed-off-by: Urs Thuermann <urs@isnogud.escape.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -881,20 +881,14 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
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if (protocol == 0)
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goto out_unlock;
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if (dev) {
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if (dev->flags&IFF_UP) {
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dev_add_pack(&po->prot_hook);
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sock_hold(sk);
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po->running = 1;
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} else {
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sk->sk_err = ENETDOWN;
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if (!sock_flag(sk, SOCK_DEAD))
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sk->sk_error_report(sk);
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}
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} else {
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if (!dev || (dev->flags & IFF_UP)) {
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dev_add_pack(&po->prot_hook);
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sock_hold(sk);
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po->running = 1;
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} else {
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sk->sk_err = ENETDOWN;
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if (!sock_flag(sk, SOCK_DEAD))
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sk->sk_error_report(sk);
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}
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out_unlock:
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