[amunger] 28899: 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.

Author: amunger
Date: Thu Sep  6 16:36:05 2007
New Revision: 28899

URL: http://svn.reactos.org/svn/reactos?rev=28899&view=rev
Log:
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.

Modified:
    trunk/reactos/drivers/storage/floppy/floppy.c

Modified: trunk/reactos/drivers/storage/floppy/floppy.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/floppy/flo…
==============================================================================
--- trunk/reactos/drivers/storage/floppy/floppy.c (original)
+++ trunk/reactos/drivers/storage/floppy/floppy.c Thu Sep  6 16:36:05 2007
@@ -687,6 +687,22 @@
       return STATUS_IO_DEVICE_ERROR;
     }
 
+/* Check if floppy drive exists */
+  if(HwSenseInterruptStatus(ControllerInfo) != STATUS_SUCCESS)
+	{
+	  DPRINT("floppy: Floppy drive not detected! Returning
STATUS_IO_DEVICE_ERROR\n");
+	  return STATUS_IO_DEVICE_ERROR;
+	}
+
+DPRINT("floppy: InitController: resetting the controller after floppy
detection\n");
+
+  /* Reset the controller */
+  if(HwReset(ControllerInfo) != STATUS_SUCCESS)
+    {
+      DPRINT("floppy: InitController: unable to reset controller\n");
+      return STATUS_IO_DEVICE_ERROR;
+    }
+
   DPRINT("floppy: InitController: setting data rate\n");
 
   /* Set data rate */