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Patch "qla2xxx: release request queue reservation." has been added to the 4.1-stable tree

PATCH [email protected] 1 participant 1 message Aug 8, 2015

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This is a note to let you know that I've just added the patch titled

qla2xxx: release request queue reservation.

to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
qla2xxx-release-request-queue-reservation.patch
and it can be found in the queue-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From 810e30bc4658e9c069577bde52394a5af872803c Mon Sep 17 00:00:00 2001

From: Quinn Tran <[email protected]>
Date: Wed, 10 Jun 2015 11:05:20 -0400
Subject: qla2xxx: release request queue reservation.

From: Quinn Tran <[email protected]>

commit 810e30bc4658e9c069577bde52394a5af872803c upstream.

Request IOCB queue element(s) is reserved during good path IO. Under error condition such as unable to allocate IOCB handle condition, the IOCB count that was reserved is not released.

---
 drivers/scsi/qla2xxx/qla_target.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
drivers/scsi/qla2xxx/qla_target.c +7 -3
@@ -2341,9 +2341,10 @@ int qlt_xmit_response(struct qla_tgt_cmd
 		res = qlt_build_ctio_crc2_pkt(&prm, vha);
 	else
 		res = qlt_24xx_build_ctio_pkt(&prm, vha);
-	if (unlikely(res != 0))
+	if (unlikely(res != 0)) {
+		vha->req->cnt += full_req_cnt;
 		goto out_unmap_unlock;
-
+	}
 
 	pkt = (struct ctio7_to_24xx *)prm.pkt;
 
@@ -2481,8 +2482,11 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *
 	else
 		res = qlt_24xx_build_ctio_pkt(&prm, vha);
 
-	if (unlikely(res != 0))
+	if (unlikely(res != 0)) {
+		vha->req->cnt += prm.req_cnt;
 		goto out_unlock_free_unmap;
+	}
+
 	pkt = (struct ctio7_to_24xx *)prm.pkt;
 	pkt->u.status0.flags |= __constant_cpu_to_le16(CTIO7_FLAGS_DATA_OUT |
 	    CTIO7_FLAGS_STATUS_MODE_0);

Patches currently in stable-queue which might be from [email protected] are

queue-4.1/qla2xxx-release-request-queue-reservation.patch queue-4.1/qla2xxx-kill-sessions-log-out-initiator-on-rscn-and-port-down-events.patch