[PATCH 3/3] irq-imx-gpcv2: Use common error handling code in imx_gpcv2_irqchip_init()
From: SF Markus Elfring
Date: Thu Jan 18 2018 - 16:17:44 EST
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 18 Jan 2018 22:00:05 +0100
Add a jump target so that a bit of exception handling can be better reused
at the end of this function.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/irqchip/irq-imx-gpcv2.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index e62f22c84112..2dc348581877 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -233,16 +233,14 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node,
cd->gpc_base = of_iomap(node, 0);
if (!cd->gpc_base) {
pr_err("fsl-gpcv2: unable to map gpc registers\n");
- kfree(cd);
- return -ENOMEM;
+ goto free_data;
}
domain = irq_domain_add_hierarchy(parent_domain, 0, GPC_MAX_IRQS,
node, &gpcv2_irqchip_data_domain_ops, cd);
if (!domain) {
iounmap(cd->gpc_base);
- kfree(cd);
- return -ENOMEM;
+ goto free_data;
}
irq_set_default_host(domain);
@@ -272,6 +270,10 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node,
*/
of_node_clear_flag(node, OF_POPULATED);
return 0;
+
+free_data:
+ kfree(cd);
+ return -ENOMEM;
}
IRQCHIP_DECLARE(imx_gpcv2, "fsl,imx7d-gpc", imx_gpcv2_irqchip_init);
--
2.15.1