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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Linus Walleij <linus.walleij@linaro.org>, "Andrew F. Davis" <afd@ti.com>
Cc: Alexandre Courbot <gnurou@gmail.com>,
	linux-gpio@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] gpio-pisosr: Unlock on error in pisosr_gpio_refresh()
Date: Fri, 19 Feb 2016 21:53:30 +0000	[thread overview]
Message-ID: <20160219215330.GA18915@mwanda> (raw)

We should unlock before returning if spi_read() fails.

Fixes: df6df93c8a73 ('gpio: Add driver for SPI serializers')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/gpio/gpio-pisosr.c b/drivers/gpio/gpio-pisosr.c
index 58ea08df..f9f1074 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,

             reply	other threads:[~2016-02-19 21:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-19 21:53 Dan Carpenter [this message]
2016-02-19 21:57 ` [patch] gpio-pisosr: Unlock on error in pisosr_gpio_refresh() Andrew F. Davis

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