--- shuttle_usbat.c.orig	Sat Jun  2 06:58:48 2001
+++ shuttle_usbat.c	Sat Jun  2 07:28:30 2001
@@ -675,9 +675,15 @@
 		len = short_pack(data[7+9], data[7+8]);
 		len <<= 16;
 		len |= data[7+7];
+		US_DEBUGP("handle_read10: GPCMD_READ_CD: len %d\n", len);
 		srb->transfersize = srb->request_bufflen/len;
 	}
 
+	if (!srb->transfersize)  {
+		srb->transfersize = 2048; /* A guess */
+		US_DEBUGP("handle_read10: transfersize 0, forcing %d\n",
+			srb->transfersize);
+	}
 
 	len = (65535/srb->transfersize) * srb->transfersize;
 	US_DEBUGP("Max read is %d bytes\n", len);