[PATCH AUTOSEL 4.19 10/87] mips: ar7: add missing iounmap() on error in ar7_gpio_init
From: Sasha Levin
Date: Tue Dec 22 2020 - 21:21:53 EST
From: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
[ Upstream commit 5a5aa912f687204d50455d0db36f94dd8de601c2 ]
Add the missing iounmap() of gpch->regs before return from
ar7_gpio_init() in the error handling case.
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/mips/ar7/gpio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c
index 4eee7e9e26ee2..3ba58f980fec2 100644
--- a/arch/mips/ar7/gpio.c
+++ b/arch/mips/ar7/gpio.c
@@ -332,6 +332,7 @@ int __init ar7_gpio_init(void)
if (ret) {
printk(KERN_ERR "%s: failed to add gpiochip\n",
gpch->chip.label);
+ iounmap(gpch->regs);
return ret;
}
printk(KERN_INFO "%s: registered %d GPIOs\n",
--
2.27.0