From 63a8651f2548c6bb5132c0b4e7dad4f57a9274db Mon Sep 17 00:00:00 2001
From: Ravi Anand <ravi.anand@qlogic.com>
Date: Thu, 20 Sep 2007 14:07:40 -0700
Subject: [PATCH] [SCSI] qla2xxx: Correct infinite-login-retry issue.
Where the DPC logic would get jammed into continuously
reloging-into a port.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---
drivers/scsi/qla2xxx/qla_os.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index a8ab2d3447b..4314f94bd47 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2437,7 +2437,6 @@ qla2x00_do_dpc(void *data)
if (atomic_read(&fcport->state) != FCS_ONLINE &&
fcport->login_retry) {
- fcport->login_retry--;
if (fcport->flags & FCF_FABRIC_DEVICE) {
if (fcport->flags &
FCF_TAPE_PRESENT)
@@ -2453,6 +2452,7 @@ qla2x00_do_dpc(void *data)
qla2x00_local_device_login(
ha, fcport);
+ fcport->login_retry--;
if (status == QLA_SUCCESS) {
fcport->old_loop_id = fcport->loop_id;
@@ -2470,6 +2470,8 @@ qla2x00_do_dpc(void *data)
} else {
fcport->login_retry = 0;
}
+ if (fcport->login_retry == 0)
+ fcport->loop_id = FC_NO_LOOP_ID;
}
if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
break;
--
2.20.1