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fixed bug #47448 (netconn/socket leak if RST is received during close)
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@ -302,6 +302,9 @@ HISTORY
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++ Bugfixes:
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2013-03-17: Simon Goldschmidt
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* api_msg.c: fixed bug #47448 (netconn/socket leak if RST is received during close)
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2013-03-17: Joel Cunningham
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* api_msg.c: don't fail closing a socket/netconn when failing to allocate the
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FIN segment; blocking the calling thread for a while is better than risking
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@ -378,13 +378,19 @@ err_tcp(void *arg, err_t err)
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conn->pcb.tcp = NULL;
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/* no check since this is always fatal! */
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SYS_ARCH_SET(conn->last_err, err);
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/* reset conn->state now before waking up other threads */
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old_state = conn->state;
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conn->state = NETCONN_NONE;
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if (old_state == NETCONN_CLOSE) {
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/* RST during close: let close return success & dealloc the netconn */
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err = ERR_OK;
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NETCONN_SET_SAFE_ERR(conn, ERR_OK);
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} else {
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/* no check since this is always fatal! */
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SYS_ARCH_SET(conn->last_err, err);
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}
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/* @todo: the type of NETCONN_EVT created should depend on 'old_state' */
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/* Notify the user layer about a connection error. Used to signal select. */
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