patch-2.0.21 linux/drivers/scsi/sr.c

• Lines: 11
• Date: Mon Sep 16 13:05:18 1996
• Orig file: v2.0.20/linux/drivers/scsi/sr.c
• Orig date: Wed Sep 11 17:57:14 1996

diff -u --recursive --new-file v2.0.20/linux/drivers/scsi/sr.c linux/drivers/scsi/sr.c
@@ -859,8 +859,8 @@
 		    if (count+1 != SCpnt->use_sg) panic("Bad sr request list");
 		    break;
 		};
-		if (((long) sgpnt[count].address) + sgpnt[count].length > ISA_DMA_THRESHOLD &&
-		  SCpnt->host->unchecked_isa_dma) {
+		if (((long) sgpnt[count].address) + sgpnt[count].length - 1 >
+		    ISA_DMA_THRESHOLD && SCpnt->host->unchecked_isa_dma) {
 		    sgpnt[count].alt_address = sgpnt[count].address;
 		    /* We try to avoid exhausting the DMA pool, since it is easier
 		     * to control usage here.  In other places we might have a more