PCI: s32g: Skip Root Port removal during success

Currently, s32g_pcie_parse_ports() exercises the 'err_port' path even
during the success case. This results in ports getting deleted after
successful parsing of Root Ports.

Hence, skip the removal of Root Ports during success.

Fixes: 5cbc7d3 ("PCI: s32g: Add NXP S32G PCIe controller driver (RC)")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
[mani: reworded subject and description]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20260202151050.1446165-1-vincent.guittot@linaro.org

Author: vingu-linaro

drivers/pci/controller/dwc/pcie-nxp-s32g.c

@@ -282,12 +282,12 @@ static int s32g_pcie_parse_ports(struct device *dev, struct s32g_pcie *s32g_pp)
 
 		ret = s32g_pcie_parse_port(s32g_pp, of_port);
 		if (ret)
-			goto err_port;
+			break;
 	}
 
-err_port:
-	list_for_each_entry_safe(port, tmp, &s32g_pp->ports, list)
-		list_del(&port->list);
+	if (ret)
+		list_for_each_entry_safe(port, tmp, &s32g_pp->ports, list)
+			list_del(&port->list);
 
 	return ret;
 }