[PATCH AUTOSEL 5.4 018/130] mips: ar7: add missing iounmap() on error in ar7_gpio_init

Sasha Levin
2020-12-23T03:04:50Z

From: Qinglang Miao <miaoqinglang@huawei.com>

[ 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@huawei.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 2292e55c12e23..b7ad7a3ecb6d7 100644
--- a/arch/mips/ar7/gpio.c
+++ b/arch/mips/ar7/gpio.c
@@ -319,6 +319,7 @@ 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