From: Scott Teel <scott.teel@microsemi.com>
Date: Fri, 9 Sep 2016 21:30:36 +0000 (-0500)
Subject: scsi: hpsa: Prevent sending bmic commands to externals
X-Git-Tag: v4.9-rc1~95^2~29
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b6e5597f4c9ae545a1bd18e830d9f6b4465cadd;p=karo-tx-linux.git

scsi: hpsa: Prevent sending bmic commands to externals

Reviewed-by: Scott Benesh <scott.benest@microsemi.com>
Reviewed-by: Scott Teel <scott.teel@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>
---

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 5d25e8db281c..82b277be6bf1 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -4072,7 +4072,17 @@ static void hpsa_get_ioaccel_drive_info(struct ctlr_info *h,
 		struct bmic_identify_physical_device *id_phys)
 {
 	int rc;
-	struct ext_report_lun_entry *rle = &rlep->LUN[rle_index];
+	struct ext_report_lun_entry *rle;
+
+	/*
+	 * external targets don't support BMIC
+	 */
+	if (dev->external) {
+		dev->queue_depth = 7;
+		return;
+	}
+
+	rle = &rlep->LUN[rle_index];
 
 	dev->ioaccel_handle = rle->ioaccel_handle;
 	if ((rle->device_flags & 0x08) && dev->ioaccel_handle)