From: Don Brace <don.brace@microsemi.com>
Date: Thu, 4 May 2017 17:51:04 -0500
Subject: scsi: hpsa: do not reset enclosures
Git-commit: ef8a52036268d0f8b5a77f6e34a1d09b0a7fdfdc
Patch-mainline: v4.13-rc1
References: bsc#1022600 fate#321928

Prevent enclosure resets.

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Reviewed-by: Scott Teel <scott.tell@microsemi.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Martin Wilck <mwilck@suse.com>
---
 drivers/scsi/hpsa.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -5864,6 +5864,9 @@ static int hpsa_eh_device_reset_handler(
 		return FAILED;
 	}
 
+	if (dev->devtype == TYPE_ENCLOSURE)
+		return SUCCESS;
+
 	/* if controller locked up, we can guarantee command won't complete */
 	if (lockup_detected(h)) {
 		snprintf(msg, sizeof(msg),