4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mahesh Rajashekhara <mahesh.rajashekh...@microsemi.com>

commit 505aa4b6a8834a2300971c5220c380c3271ebde3 upstream.

A drive being sanitized will return NOT READY / ASC 0x4 / ASCQ
0x1b ("LOGICAL UNIT NOT READY. SANITIZE IN PROGRESS").

Prevent spinning up the drive until this condition clears.

[mkp: tweaked commit message]

Signed-off-by: Mahesh Rajashekhara <mahesh.rajashekh...@microsemi.com>
Cc: <sta...@vger.kernel.org>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/scsi/sd.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1929,6 +1929,8 @@ sd_spinup_disk(struct scsi_disk *sdkp)
                                break;  /* standby */
                        if (sshdr.asc == 4 && sshdr.ascq == 0xc)
                                break;  /* unavailable */
+                       if (sshdr.asc == 4 && sshdr.ascq == 0x1b)
+                               break;  /* sanitize in progress */
                        /*
                         * Issue command to spin up drive when not ready
                         */


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