patch-2.3.16 linux/drivers/scsi/ide-scsi.c

• Lines: 10
• Date: Thu Aug 26 13:44:03 1999
• Orig file: v2.3.15/linux/drivers/scsi/ide-scsi.c
• Orig date: Tue Jul 6 19:08:33 1999

diff -u --recursive --new-file v2.3.15/linux/drivers/scsi/ide-scsi.c linux/drivers/scsi/ide-scsi.c
@@ -429,7 +429,8 @@
 	if (drive->using_dma && rq->bh)
 		dma_ok=!HWIF(drive)->dmaproc(test_bit (PC_WRITING, &pc->flags) ? ide_dma_write : ide_dma_read, drive);
 
-	OUT_BYTE (drive->ctl,IDE_CONTROL_REG);
+	if (IDE_CONTROL_REG)
+		OUT_BYTE (drive->ctl,IDE_CONTROL_REG);
 	OUT_BYTE (dma_ok,IDE_FEATURE_REG);
 	OUT_BYTE (bcount >> 8,IDE_BCOUNTH_REG);
 	OUT_BYTE (bcount & 0xff,IDE_BCOUNTL_REG);