From 7562523e84ddc742fe1f9db8bd76b01acca89f6b Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Tue, 30 Jul 2013 22:58:34 -0400
Subject: [SCSI] Don't attempt to send extended INQUIRY command if
skip_vpd_pages is set
If a device has the skip_vpd_pages flag set we should simply fail the
scsi_get_vpd_page() call.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Stuart Foster <smf.linux@ntlworld.com>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---
drivers/scsi/scsi.c | 3 +++
1 file changed, 3 insertions(+)
(limited to 'drivers/scsi/scsi.c')
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 3b1ea34e1f5..eaa808e6ba9 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -1031,6 +1031,9 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,
{
int i, result;
+ if (sdev->skip_vpd_pages)
+ goto fail;
+
/* Ask for all the pages supported by this device */
result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);
if (result)
--
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