irqchip/xilinx: Fill error code when irq domain registration fails

There is no ret filled in case of irq_domain_add_linear() failure.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Stefan Asserhall <stefan.asserhall@xilinx.com>
Link: https://lore.kernel.org/r/20200317125600.15913-3-mubin.usman.sayyed@xilinx.com

diff --git a/drivers/irqchip/irq-xilinx-intc.c b/drivers/irqchip/irq-xilinx-intc.c
index 34593fa..1d3d273 100644 (file)
--- a/drivers/irqchip/irq-xilinx-intc.c
+++ b/drivers/irqchip/irq-xilinx-intc.c
@@ -228,6 +228,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc,
                                                  &xintc_irq_domain_ops, irqc);
        if (!irqc->root_domain) {
                pr_err("irq-xilinx: Unable to create IRQ domain\n");
+               ret = -EINVAL;
                goto error;
        }