From 353cd4dfc6faf0fefee4211550b9f837f97a52be Mon Sep 17 00:00:00 2001
From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Fri, 3 Sep 2010 14:57:05 -0700
Subject: [PATCH] --- yaml --- r: 210609 b: refs/heads/master c:
 1bd58b89e84b15283aaa3148fee4969abe19af8d h: refs/heads/master i:   210607:
 f08b82670fb49947ca0d0908c4c118a9485a28a9 v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/scsi/qla2xxx/qla_nx.c | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 7900c2021e87..86a9ea8c38ff 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0374f55ed882a46cd4825dde16ca2392d4c367f6
+refs/heads/master: 1bd58b89e84b15283aaa3148fee4969abe19af8d
diff --git a/trunk/drivers/scsi/qla2xxx/qla_nx.c b/trunk/drivers/scsi/qla2xxx/qla_nx.c
index ad290dc9ba35..0a71cc71eab2 100644
--- a/trunk/drivers/scsi/qla2xxx/qla_nx.c
+++ b/trunk/drivers/scsi/qla2xxx/qla_nx.c
@@ -2672,6 +2672,19 @@ qla82xx_start_scsi(srb_t *sp)
 sufficient_dsds:
 		req_cnt = 1;
 
+		if (req->cnt < (req_cnt + 2)) {
+			cnt = (uint16_t)RD_REG_DWORD_RELAXED(
+				&reg->req_q_out[0]);
+			if (req->ring_index < cnt)
+				req->cnt = cnt - req->ring_index;
+			else
+				req->cnt = req->length -
+					(req->ring_index - cnt);
+		}
+
+		if (req->cnt < (req_cnt + 2))
+			goto queuing_error;
+
 		ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
 		if (!sp->ctx) {
 			DEBUG(printk(KERN_INFO