diff mbox

ses: Fix wrong page error

Message ID d816c664-5d28-e924-2515-b0cc7ef46498@linux.vnet.ibm.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Brian King Aug. 1, 2017, 6:45 p.m. UTC
If a SES device returns an error on a requested diagnostic page,
we are currently printing an error indicating the wrong page
was received. Fix this up to simply return a failure and only
check the returned page when the diagnostic page buffer was
populated by the device.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
---
 drivers/scsi/ses.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Christoph Hellwig Aug. 10, 2017, 9:25 a.m. UTC | #1
On Tue, Aug 01, 2017 at 01:45:36PM -0500, Brian King wrote:
> If a SES device returns an error on a requested diagnostic page,
> we are currently printing an error indicating the wrong page
> was received. Fix this up to simply return a failure and only
> check the returned page when the diagnostic page buffer was
> populated by the device.
> 
> Signed-off-by: Brian King <brking@linux.vnet.ibm.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox

Patch

diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index f1cdf32..8927f9f5 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -99,7 +99,7 @@  static int ses_recv_diag(struct scsi_device *sdev, int page_code,
 
 	ret =  scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
 				NULL, SES_TIMEOUT, SES_RETRIES, NULL);
-	if (unlikely(!ret))
+	if (unlikely(ret))
 		return ret;
 
 	recv_page_code = ((unsigned char *)buf)[0];