From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: Fri, 19 Feb 2016 09:23:00 +0000 (+0530)
Subject: gpio: pisosr: add missing unlock
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3e089d9f55acfe9edd8a71d19cfc3129ab3a37f8;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

gpio: pisosr: add missing unlock

If spi_read() fails then we just returned but we missed unlocking the
mutex.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-pisosr.c b/drivers/gpio/gpio-pisosr.c
index 58ea08dfdfce..f9f1074744ab 100644
--- a/drivers/gpio/gpio-pisosr.c
+++ b/drivers/gpio/gpio-pisosr.c
@@ -53,12 +53,10 @@ static int pisosr_gpio_refresh(struct pisosr_gpio *gpio)
 	}
 
 	ret = spi_read(gpio->spi, gpio->buffer, gpio->buffer_size);
-	if (ret)
-		return ret;
 
 	mutex_unlock(&gpio->lock);
 
-	return 0;
+	return ret;
 }
 
 static int pisosr_gpio_get_direction(struct gpio_chip *chip,