Serial mouse, microtouch, and modem: Add some more sanity checks.
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@@ -434,7 +434,7 @@ host_to_modem_cb(void *priv)
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{
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modem_t *modem = (modem_t *) priv;
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if (modem->in_warmup)
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if (modem->in_warmup || (modem->serial == NULL))
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goto no_write_to_machine;
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if ((modem->serial->type >= SERIAL_16550) && modem->serial->fifo_enabled) {
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@@ -621,10 +621,12 @@ modem_enter_idle_state(modem_t *modem)
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}
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}
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serial_set_cts(modem->serial, 1);
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serial_set_dsr(modem->serial, 1);
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serial_set_dcd(modem->serial, (!modem->dcdmode ? 1 : 0));
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serial_set_ri(modem->serial, 0);
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if (modem->serial != NULL) {
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serial_set_cts(modem->serial, 1);
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serial_set_dsr(modem->serial, 1);
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serial_set_dcd(modem->serial, (!modem->dcdmode ? 1 : 0));
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serial_set_ri(modem->serial, 0);
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}
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}
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void
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@@ -640,8 +642,11 @@ modem_enter_connected_state(modem_t *modem)
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plat_netsocket_close(modem->serversocket);
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modem->serversocket = -1;
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memset(&modem->telClient, 0, sizeof(modem->telClient));
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serial_set_dcd(modem->serial, 1);
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serial_set_ri(modem->serial, 0);
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if (modem->serial != NULL) {
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serial_set_dcd(modem->serial, 1);
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serial_set_ri(modem->serial, 0);
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}
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}
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void
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@@ -1391,7 +1396,8 @@ modem_cmdpause_timer_callback(void *priv)
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} else {
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modem->ringing = true;
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modem_send_res(modem, ResRING);
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serial_set_ri(modem->serial, !serial_get_ri(modem->serial));
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if (modem->serial != NULL)
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serial_set_ri(modem->serial, !serial_get_ri(modem->serial));
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modem->ringtimer = 3000;
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modem->reg[MREG_RING_COUNT] = 0;
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}
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@@ -1405,7 +1411,8 @@ modem_cmdpause_timer_callback(void *priv)
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return;
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}
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modem_send_res(modem, ResRING);
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serial_set_ri(modem->serial, !serial_get_ri(modem->serial));
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if (modem->serial != NULL)
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serial_set_ri(modem->serial, !serial_get_ri(modem->serial));
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modem->ringtimer = 3000;
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}
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