scsi: qedi: Fix possible memory leak in qedi_iscsi_update_conn()

'conn_info' is malloced in qedi_iscsi_update_conn() and should be freed
before leaving from the error handling cases, otherwise it will cause
memory leak.

Fixes: ace7f46b ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Acked-by: NManish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qedi/qedi_iscsi.c

@@ -454,13 +454,9 @@ static int qedi_iscsi_update_conn(struct qedi_ctx *qedi,
 	if (rval) {
 		rval = -ENXIO;
 		QEDI_ERR(&qedi->dbg_ctx, "Could not update connection\n");
-		goto update_conn_err;
 	}
 
 	kfree(conn_info);
-	rval = 0;
-
-update_conn_err:
 	return rval;
 }