diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r-- | drivers/gpio/gpiolib.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index bb11a429394a..50de0f5750d8 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c | |||
@@ -661,7 +661,7 @@ int gpio_export(unsigned gpio, bool direction_may_change) | |||
661 | 661 | ||
662 | dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0), | 662 | dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0), |
663 | desc, ioname ? ioname : "gpio%d", gpio); | 663 | desc, ioname ? ioname : "gpio%d", gpio); |
664 | if (dev) { | 664 | if (!IS_ERR(dev)) { |
665 | if (direction_may_change) | 665 | if (direction_may_change) |
666 | status = sysfs_create_group(&dev->kobj, | 666 | status = sysfs_create_group(&dev->kobj, |
667 | &gpio_attr_group); | 667 | &gpio_attr_group); |
@@ -679,7 +679,7 @@ int gpio_export(unsigned gpio, bool direction_may_change) | |||
679 | if (status != 0) | 679 | if (status != 0) |
680 | device_unregister(dev); | 680 | device_unregister(dev); |
681 | } else | 681 | } else |
682 | status = -ENODEV; | 682 | status = PTR_ERR(dev); |
683 | if (status == 0) | 683 | if (status == 0) |
684 | set_bit(FLAG_EXPORT, &desc->flags); | 684 | set_bit(FLAG_EXPORT, &desc->flags); |
685 | } | 685 | } |
@@ -800,11 +800,11 @@ static int gpiochip_export(struct gpio_chip *chip) | |||
800 | mutex_lock(&sysfs_lock); | 800 | mutex_lock(&sysfs_lock); |
801 | dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip, | 801 | dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip, |
802 | "gpiochip%d", chip->base); | 802 | "gpiochip%d", chip->base); |
803 | if (dev) { | 803 | if (!IS_ERR(dev)) { |
804 | status = sysfs_create_group(&dev->kobj, | 804 | status = sysfs_create_group(&dev->kobj, |
805 | &gpiochip_attr_group); | 805 | &gpiochip_attr_group); |
806 | } else | 806 | } else |
807 | status = -ENODEV; | 807 | status = PTR_ERR(dev); |
808 | chip->exported = (status == 0); | 808 | chip->exported = (status == 0); |
809 | mutex_unlock(&sysfs_lock); | 809 | mutex_unlock(&sysfs_lock); |
810 | 810 | ||
@@ -1487,7 +1487,7 @@ static int gpiolib_open(struct inode *inode, struct file *file) | |||
1487 | return single_open(file, gpiolib_show, NULL); | 1487 | return single_open(file, gpiolib_show, NULL); |
1488 | } | 1488 | } |
1489 | 1489 | ||
1490 | static struct file_operations gpiolib_operations = { | 1490 | static const struct file_operations gpiolib_operations = { |
1491 | .open = gpiolib_open, | 1491 | .open = gpiolib_open, |
1492 | .read = seq_read, | 1492 | .read = seq_read, |
1493 | .llseek = seq_lseek, | 1493 | .llseek = seq_lseek, |