From: Joe Carnuccio <joe.carnuccio@cavium.com>
Date: Wed, 23 Aug 2017 15:05:22 -0700
Subject: scsi: qla2xxx: Skip zero queue count entry during FW dump capture
Patch-mainline: Queued in subsystem maintainer repository
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git
Git-commit: 998722d18321bc718407b26a582d881e69edd382
References: FATE#322910

If queue count is zero while reading FW dump template, for entry
T263/T274, skip capturing those entries during FW dump capture.

Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 drivers/scsi/qla2xxx/qla_tmpl.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index 33142610882f..98ced0116969 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -449,8 +449,12 @@ qla27xx_fwdt_entry_t263(struct scsi_qla_host *vha,
 		qla27xx_skip_entry(ent, buf);
 	}
 
-	if (buf)
-		ent->t263.num_queues = count;
+	if (buf) {
+		if (count)
+			ent->t263.num_queues = count;
+		else
+			qla27xx_skip_entry(ent, buf);
+	}
 
 	return false;
 }
@@ -704,11 +708,12 @@ qla27xx_fwdt_entry_t274(struct scsi_qla_host *vha,
 		qla27xx_skip_entry(ent, buf);
 	}
 
-	if (buf)
-		ent->t274.num_queues = count;
-
-	if (!count)
-		qla27xx_skip_entry(ent, buf);
+	if (buf) {
+		if (count)
+			ent->t274.num_queues = count;
+		else
+			qla27xx_skip_entry(ent, buf);
+	}
 
 	return false;
 }
-- 
2.12.3