Message ID | 20160219215330.GA18915@mwanda |
---|---|
State | New |
Headers | show |
On 02/19/2016 03:53 PM, Dan Carpenter wrote: > 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, > This must get flagged by some tool, looks like [0] beat you to it. Thanks though, Andrew [0]http://www.spinics.net/lists/kernel/msg2191913.html -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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,
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> -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html