diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 88ecf94..af97254 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -190,7 +190,7 @@
 
         result = scsi_execute_req(ch->device, cmd, direction, buffer,
 				  buflength, &sshdr, timeout * HZ,
-				  MAX_RETRIES);
+				  MAX_RETRIES, NULL);
 
 	dprintk("result: 0x%x\n",result);
 	if (driver_byte(result) & DRIVER_SENSE) {