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[SCSIPORT] Use pointer alignment for MiniPortDeviceExtension

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This seems logical and some miniport drivers (uniata) actually rely on
that.

CORE-17424
This commit is contained in:
Victor Perevertkin
2021-01-17 01:46:35 +03:00
parent e5c27b2fd6
commit 66cf1d20f4
1 changed files with 9 additions and 1 deletions
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10
drivers/storage/port/scsiport/scsiport.h
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@@ -217,6 +217,12 @@ typedef struct _SCSI_PORT_SAVE_INTERRUPT
* part is the miniport-specific device extension.
*/
#ifdef _WIN64
#define ALIGNAS_PTR DECLSPEC_ALIGN(8)
#else
#define ALIGNAS_PTR DECLSPEC_ALIGN(4)
#endif
// FDO
typedef struct _SCSI_PORT_DEVICE_EXTENSION
{
@@ -312,7 +318,9 @@ typedef struct _SCSI_PORT_DEVICE_EXTENSION
BOOLEAN DeviceStarted;
UINT8 TotalLUCount;
UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
// use the pointer alignment here, some miniport drivers rely on this
// moreover, it has to be the last member
ALIGNAS_PTR UCHAR MiniPortDeviceExtension[];
} SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
typedef struct _RESETBUS_PARAMS