mirror of https://github.com/acidanthera/audk.git
MdeModulePkg/UsbBusDxe: Return error when the device is not present
Until now, during the USB device enumeration when its PortState USB_PORT_STAT_CONNECTION bit was not set, the stack was not informed that the device is not present. Fix that by returning appropriate error code. Signed-off-by: Marcin Wojtas <mw@semihalf.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
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@ -719,6 +719,7 @@ UsbEnumerateNewDev (
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if (!USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_CONNECTION)) {
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DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: No device present at port %d\n", Port));
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Status = EFI_NOT_FOUND;
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goto ON_ERROR;
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} else if (USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_SUPER_SPEED)){
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Child->Speed = EFI_USB_SPEED_SUPER;
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