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Fix broken DEVICE_NO_FLUSH handling for ATAPI devices, with augmentation to check the SupportedFeatures83 of the device. Thanks to tinus_ for finding and fixing.

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svn path=/trunk/; revision=13577
This commit is contained in:
Mike Nordell 2005-02-14 21:07:25 +00:00
parent f0222daf5d
commit 03b34e7857
1 changed files with 9 additions and 2 deletions
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11
reactos/drivers/storage/atapi/atapi.c
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@ -2231,7 +2231,7 @@ AtapiFlushCache(PATAPI_MINIPORT_EXTENSION DeviceExtension,
DPRINT("SCSIOP_SYNCRONIZE_CACHE: TargetId: %lu\n",
Srb->TargetId);
if (!(DeviceExtension->DeviceFlags[Srb->TargetId] & DEVICE_NO_FLUSH))
if (DeviceExtension->DeviceFlags[Srb->TargetId] & DEVICE_NO_FLUSH)
{
/*
* NOTE: Don't flush the cache for CD/DVD drives. Although
@ -2240,9 +2240,16 @@ AtapiFlushCache(PATAPI_MINIPORT_EXTENSION DeviceExtension,
* it doesn't make sense to flush cache on devices we don't
* write to.
*/
return STATUS_SUCCESS;
return SRB_STATUS_INVALID_REQUEST;
}
if (!(DeviceExtension->DeviceParams[Srb->TargetId].SupportedFeatures83 & 0x1000))
{
/* The device states it doesn't support the command */
DPRINT("The drive doesn't support FLUSH_CACHE\n");
return SRB_STATUS_INVALID_REQUEST;
}
/* Wait for BUSY to clear */
for (Retries = 0; Retries < IDE_MAX_BUSY_RETRIES; Retries++)
{