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tipc: deal with return value of tipc_conn_new callback
Once tipc_conn_new() returns NULL, the connection should be shut down immediately, otherwise, oops may happen due to the NULL pointer. Signed-off-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Jon Maloy <jon.maloy@ericson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -309,6 +309,10 @@ static int tipc_accept_from_sock(struct tipc_conn *con)
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/* Notify that new connection is incoming */
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newcon->usr_data = s->tipc_conn_new(newcon->conid);
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if (!newcon->usr_data) {
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sock_release(newsock);
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return -ENOMEM;
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}
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/* Wake up receive process in case of 'SYN+' message */
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newsock->sk->sk_data_ready(newsock->sk);
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