From: Himanshu Madhani <himanshu.madhani@qlogic.com>
Date: Thu, 25 Sep 2014 10:14:46 +0000 (-0400)
Subject: qla2xxx: Increase room in request queue for sending priority packets
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=940070374441fc78ad6d994f6ce67d5c6646e6f6;p=deliverable%2Flinux.git

qla2xxx: Increase room in request queue for sending priority packets

Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 6a6867d24d9f..c787847b3a46 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1901,7 +1901,7 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp)
 
 skip_cmd_array:
 	/* Check for room on request queue. */
-	if (req->cnt < req_cnt) {
+	if (req->cnt < req_cnt + 2) {
 		if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha))
 			cnt = RD_REG_DWORD(&reg->isp25mq.req_q_out);
 		else if (IS_P3P_TYPE(ha))
@@ -1920,7 +1920,7 @@ skip_cmd_array:
 			req->cnt = req->length -
 			    (req->ring_index - cnt);
 	}
-	if (req->cnt < req_cnt)
+	if (req->cnt < req_cnt + 2)
 		goto queuing_error;
 
 	/* Prep packet */