[PATCH v2 1/3] qedf: Don't process stag work during unload and recovery.

[Saurav Kashyap <skashyap@xxxxxxxxxxx>]

Stag work can cause issues during unload and recovery,
hence don't process it.

Signed-off-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
---
 drivers/scsi/qedf/qedf_main.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index a58353b7b4e8..e882aec86765 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3997,6 +3997,22 @@ void qedf_stag_change_work(struct work_struct *work)
 	struct qedf_ctx *qedf =
 	    container_of(work, struct qedf_ctx, stag_work.work);
 
+	if (!qedf) {
+		QEDF_ERR(&qedf->dbg_ctx, "qedf is NULL");
+		return;
+	}
+
+	if (test_bit(QEDF_IN_RECOVERY, &qedf->flags)) {
+		QEDF_ERR(&qedf->dbg_ctx,
+			 "Already is in recovery, hence not calling software context reset.\n");
+		return;
+	}
+
+	if (test_bit(QEDF_UNLOADING, &qedf->flags)) {
+		QEDF_ERR(&qedf->dbg_ctx, "Driver unloading\n");
+		return;
+	}
+
 	printk_ratelimited("[%s]:[%s:%d]:%d: Performing software context reset.",
 			dev_name(&qedf->pdev->dev), __func__, __LINE__,
 			qedf->dbg_ctx.host_no);
-- 
2.23.1