From: Quinn Tran <quinn.tran@cavium.com>
Date: Wed, 18 Jul 2018 21:29:54 +0000 (-0700)
Subject: scsi: qla2xxx: Fix ISP recovery on unload
X-Git-Tag: v4.14.62~19
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f70766f1338d534638914388529cd6a7263db858;p=users%2Fjedix%2Flinux-maple.git

scsi: qla2xxx: Fix ISP recovery on unload

commit b08abbd9f5996309f021684f9ca74da30dcca36a upstream.

During unload process, the chip can encounter problem where a FW dump would
be captured. For this case, the full reset sequence will be skip to bring
the chip back to full operational state.

Fixes: e315cd28b9ef ("[SCSI] qla2xxx: Code changes for qla data structure refactoring")
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 6dbc2ab9090b..7d7fb5bbb600 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5794,8 +5794,9 @@ qla2x00_do_dpc(void *data)
 				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
 		}
 
-		if (test_and_clear_bit(ISP_ABORT_NEEDED,
-						&base_vha->dpc_flags)) {
+		if (test_and_clear_bit
+		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
+		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
 
 			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
 			    "ISP abort scheduled.\n");