[PATCH v2] irqchip/irq-ls1x: Missing error code in ls1x_intc_of_init()

[Dan Carpenter]

Currently, when irq_domain_add_linear() fails, the error code does not
get so it returns zero which is wrong.  Fix it by setting appropriate
error code.

Fixes: 9e543e22e204 ("irqchip: Add driver for Loongson-1 interrupt controller")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Reviewed-by: Mukesh Ojha <mo...@codeaurora.org>
---
V2: Improve the commit message

 drivers/irqchip/irq-ls1x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/irqchip/irq-ls1x.c b/drivers/irqchip/irq-ls1x.c
index 86b72fbd3b45..353111a10413 100644
--- a/drivers/irqchip/irq-ls1x.c
+++ b/drivers/irqchip/irq-ls1x.c
@@ -130,6 +130,7 @@ static int __init ls1x_intc_of_init(struct device_node 
*node,
                                             NULL);
        if (!priv->domain) {
                pr_err("ls1x-irq: cannot add IRQ domain\n");
+               err = -ENOMEM;
                goto out_iounmap;
        }
 
-- 
2.17.1