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[1/4] scsi: Fixup ses page check

Message ID 1502785303-41870-2-git-send-email-hare@suse.de (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Hannes Reinecke Aug. 15, 2017, 8:21 a.m. UTC
The error code from a scsi_execute_req() is a SCSI status, not
a normal errno. So whenever it returns a value here an error
occurred and there's no point in looking at the page number.

Signed-off-by: Hannes Reinecke <hare@suse.com>
---
 drivers/scsi/ses.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Martin K. Petersen Aug. 17, 2017, 12:24 a.m. UTC | #1
Hannes,

> The error code from a scsi_execute_req() is a SCSI status, not
> a normal errno. So whenever it returns a value here an error
> occurred and there's no point in looking at the page number.

424f727b9413 scsi: ses: Fix wrong page error
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Patch

diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index f1cdf32..a37aec8 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -99,8 +99,8 @@  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))
-		return ret;
+	if (unlikely(ret))
+		return -EIO;
 
 	recv_page_code = ((unsigned char *)buf)[0];