[SCSI] scsi_debug: set resid to indicate no data-in when medium error

set resid to the requested data-in length when a MEDIUM ERROR is
simulated. This implies no valid data is returned in the data-in
buffer

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 2f1f9b079b1067fb078b74c471134bba9a7f55bb..7b310934efed5509bbc7d78969ad912874c0140e 100644 (file)
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1805,6 +1805,7 @@ static int resp_read(struct scsi_cmnd *SCpnt, unsigned long long lba,
                        devip->sense_buff[5] = (ret >> 8) & 0xff;
                        devip->sense_buff[6] = ret & 0xff;
                }
+               scsi_set_resid(SCpnt, scsi_bufflen(SCpnt));
                return check_condition_result;
        }