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-rw-r--r--drivers/scsi/scsi.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 3e0c038127..ee69bd3588 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -350,6 +350,13 @@ static int scsi_get_vpd_size(struct scsi_device *sdev, u8 page)
if (result < SCSI_VPD_HEADER_SIZE)
return 0;
+ if (result > sizeof(vpd)) {
+ dev_warn_once(&sdev->sdev_gendev,
+ "%s: long VPD page 0 length: %d bytes\n",
+ __func__, result);
+ result = sizeof(vpd);
+ }
+
result -= SCSI_VPD_HEADER_SIZE;
if (!memchr(&vpd[SCSI_VPD_HEADER_SIZE], page, result))
return 0;
@@ -666,6 +673,13 @@ void scsi_cdl_check(struct scsi_device *sdev)
sdev->use_10_for_rw = 0;
sdev->cdl_supported = 1;
+
+ /*
+ * If the device supports CDL, make sure that the current drive
+ * feature status is consistent with the user controlled
+ * cdl_enable state.
+ */
+ scsi_cdl_enable(sdev, sdev->cdl_enable);
} else {
sdev->cdl_supported = 0;
}