From: Jason Luo <zhangqing.luo@oracle.com>
Date: Thu, 22 Oct 2015 06:23:04 +0000 (+0800)
Subject: fnic: fix for fnic crash when blk-mq enabled in UEK4
X-Git-Tag: v4.1.12-92~249^2~4^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a4a9661a12ab22cfdd9c33ed0dfbeee891741f4c;p=users%2Fjedix%2Flinux-maple.git

fnic: fix for fnic crash when blk-mq enabled in UEK4

From: Narsimhulu Musini <nmusini@cisco.com>

fnic driver hits crash on accessing global tag set when blk-mq enabled.
fix disables blk-mq support for fnic.

Orabug: 22049739

Signed-off-by: Narsimhulu Musini <nmusini@cisco.com>
Signed-off-by: Jason Luo <zhangqing.luo@oracle.com>
---

diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 8a0d4d7b3254d..f32d9df188257 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -118,6 +118,7 @@ static struct scsi_host_template fnic_host_template = {
 	.sg_tablesize = FNIC_MAX_SG_DESC_CNT,
 	.max_sectors = 0xffff,
 	.shost_attrs = fnic_attrs,
+	.disable_blk_mq = 1,
 	.use_blk_tags = 1,
 	.track_queue_depth = 1,
 };