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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/net/can/j1939/socket.c
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@@ -798,7 +798,7 @@
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 	struct j1939_sk_buff_cb *skcb;
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 	int ret = 0;
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-	if (flags & ~(MSG_DONTWAIT | MSG_ERRQUEUE))
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+	if (flags & ~(MSG_DONTWAIT | MSG_ERRQUEUE | MSG_CMSG_COMPAT))
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 		return -EINVAL;
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 	if (flags & MSG_ERRQUEUE)
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@@ -1013,6 +1013,11 @@
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 void j1939_sk_send_loop_abort(struct sock *sk, int err)
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 {
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+	struct j1939_sock *jsk = j1939_sk(sk);
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+
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+	if (jsk->state & J1939_SOCK_ERRQUEUE)
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+		return;
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+
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 	sk->sk_err = err;
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 	sk->sk_error_report(sk);