scsi: 3w-9xxx: Use flexible array members to avoid struct padding
In preparation for removing the "#pragma pack(1)" from the driver, fix all
instances where a trailing array member could be replaced by a flexible
array member. Since a flexible array member has zero size, it introduces no
padding, whether or not the struct is packed.
Link: https://lore.kernel.org/r/20210427235915.39211-2-samuel@sholland.org
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/3w-9xxx.h b/drivers/scsi/3w-9xxx.h
index 30109ae..23b312a 100644
--- a/drivers/scsi/3w-9xxx.h
+++ b/drivers/scsi/3w-9xxx.h
@@ -602,7 +602,7 @@ typedef struct TAG_TW_Ioctl_Apache {
TW_Ioctl_Driver_Command driver_command;
char padding[488];
TW_Command_Full firmware_command;
- char data_buffer[1];
+ char data_buffer[];
} TW_Ioctl_Buf_Apache;
/* Lock structure for ioctl get/release lock */
@@ -618,7 +618,7 @@ typedef struct {
unsigned short parameter_id;
unsigned short parameter_size_bytes;
unsigned short actual_parameter_size_bytes;
- unsigned char data[1];
+ unsigned char data[];
} TW_Param_Apache, *PTW_Param_Apache;
/* Response queue */