modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/net/rose/af_rose.c
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@@ -487,6 +487,12 @@
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 {
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 	struct sock *sk = sock->sk;
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+	lock_sock(sk);
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+	if (sock->state != SS_UNCONNECTED) {
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+		release_sock(sk);
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+		return -EINVAL;
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+	}
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+
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 	if (sk->sk_state != TCP_LISTEN) {
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 		struct rose_sock *rose = rose_sk(sk);
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..
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@@ -496,8 +502,10 @@
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 		memset(rose->dest_digis, 0, AX25_ADDR_LEN * ROSE_MAX_DIGIS);
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 		sk->sk_max_ack_backlog = backlog;
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 		sk->sk_state           = TCP_LISTEN;
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+		release_sock(sk);
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 		return 0;
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 	}
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+	release_sock(sk);
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 	return -EOPNOTSUPP;
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 }