From: Andrew Vasquez <andrew.vasquez@qlogic.com>
Date: Tue, 16 Aug 2011 18:29:28 +0000 (-0700)
Subject: qla2xxx: Correct inadvertent loop state transitions during port-update handling.
X-Git-Tag: v2.6.33.20~80
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cfbd9b3df144c42a5ad752bc9aafa7db3947147e;p=thirdparty%2Fkernel%2Fstable.git

qla2xxx: Correct inadvertent loop state transitions during port-update handling.

commit 58b48576966ed0afd3f63ef17480ec12748a7119 upstream.

Transitioning to a LOOP_UPDATE loop-state could cause the driver
to miss normal link/target processing.  LOOP_UPDATE is a crufty
artifact leftover from at time the driver performed it's own
internal command-queuing.  Safely remove this state.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 3f8e8495b743f..f1ce96c305d36 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3481,15 +3481,12 @@ qla2x00_loop_resync(scsi_qla_host_t *vha)
 		req = vha->req;
 	rsp = req->rsp;
 
-	atomic_set(&vha->loop_state, LOOP_UPDATE);
 	clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
 	if (vha->flags.online) {
 		if (!(rval = qla2x00_fw_ready(vha))) {
 			/* Wait at most MAX_TARGET RSCNs for a stable link. */
 			wait_time = 256;
 			do {
-				atomic_set(&vha->loop_state, LOOP_UPDATE);
-
 				/* Issue a marker after FW becomes ready. */
 				qla2x00_marker(vha, req, rsp, 0, 0,
 					MK_SYNC_ALL);
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 40807e4a8eb34..4188b82b7c22c 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -723,7 +723,6 @@ skip_rio:
 			vha->flags.rscn_queue_overflow = 1;
 		}
 
-		atomic_set(&vha->loop_state, LOOP_UPDATE);
 		atomic_set(&vha->loop_down_timer, 0);
 		vha->flags.management_server_logged_in = 0;