SCSI: Don't attempt to send extended INQUIRY command if skip_vpd_pages is set
commit 7562523e84ddc742fe1f9db8bd76b01acca89f6b upstream.
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>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 07322ec..29fabff 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -1025,6 +1025,9 @@
{
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)