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Gracefully handle the case where the BIOS insists there is a floppy drive, but there is no controller. Patch by Cameron Gutman (aicommander at gmail dot com) from Bug 1508.
svn path=/trunk/; revision=28899
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@ -687,6 +687,22 @@ static NTSTATUS NTAPI InitController(PCONTROLLER_INFO ControllerInfo)
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return STATUS_IO_DEVICE_ERROR;
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}
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/* Check if floppy drive exists */
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if(HwSenseInterruptStatus(ControllerInfo) != STATUS_SUCCESS)
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{
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DPRINT("floppy: Floppy drive not detected! Returning STATUS_IO_DEVICE_ERROR\n");
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return STATUS_IO_DEVICE_ERROR;
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}
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DPRINT("floppy: InitController: resetting the controller after floppy detection\n");
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/* Reset the controller */
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if(HwReset(ControllerInfo) != STATUS_SUCCESS)
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{
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DPRINT("floppy: InitController: unable to reset controller\n");
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return STATUS_IO_DEVICE_ERROR;
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}
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DPRINT("floppy: InitController: setting data rate\n");
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/* Set data rate */
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