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authorMartin K. Petersen <martin.petersen@oracle.com>2013-07-30 22:58:34 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-14 22:57:05 -0700
commit7eee85fd4e70561e15f1794581a9c4d641776718 (patch)
tree7ffde59acf5f5fb44c5cbd164b47a2e784f5f350 /drivers/scsi
parent67e6589a34ea5360b00869aaaec4a844c29cf713 (diff)
downloadlwn-7eee85fd4e70561e15f1794581a9c4d641776718.tar.gz
lwn-7eee85fd4e70561e15f1794581a9c4d641776718.zip
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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/scsi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 07322ecff90d..29fabffd6993 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -1025,6 +1025,9 @@ 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)