dmx: Silence an unused-result warning
Modern glibc is very insistent that you care about whether write() succeeds: ../hw/dmx/input/usb-keyboard.c: In function ‘kbdUSBCtrl’: ../hw/dmx/input/usb-keyboard.c:292:9: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result] write(priv->fd, &event, sizeof(event)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Keith Packard <keithp@keithp.com>
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@ -289,7 +289,8 @@ kbdUSBCtrl(DevicePtr pDev, KeybdCtrl * ctrl)
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led = i;
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event.code = led;
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event.value = ! !(ctrl->leds & (1 << led));
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write(priv->fd, &event, sizeof(event));
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if (write(priv->fd, &event, sizeof(event)) != sizeof(event))
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DebugF("Failed to set LEDs!\n");
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}
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}
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