X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fgpio%2Fgpiolib.c;h=50de0f5750d8b4f5e76c853fe590f08fe52c1a22;hb=b07682b6056eb6701f8cb86aa5800e6f2ea7919b;hp=bb11a429394ab865f7e07cfc289d8a32330bd320;hpb=ff77c352ae17768c61cfc36357f0a3904552f11c;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index bb11a42..50de0f5 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -661,7 +661,7 @@ int gpio_export(unsigned gpio, bool direction_may_change)
 
 		dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0),
 				desc, ioname ? ioname : "gpio%d", gpio);
-		if (dev) {
+		if (!IS_ERR(dev)) {
 			if (direction_may_change)
 				status = sysfs_create_group(&dev->kobj,
 						&gpio_attr_group);
@@ -679,7 +679,7 @@ int gpio_export(unsigned gpio, bool direction_may_change)
 			if (status != 0)
 				device_unregister(dev);
 		} else
-			status = -ENODEV;
+			status = PTR_ERR(dev);
 		if (status == 0)
 			set_bit(FLAG_EXPORT, &desc->flags);
 	}
@@ -800,11 +800,11 @@ static int gpiochip_export(struct gpio_chip *chip)
 	mutex_lock(&sysfs_lock);
 	dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip,
 				"gpiochip%d", chip->base);
-	if (dev) {
+	if (!IS_ERR(dev)) {
 		status = sysfs_create_group(&dev->kobj,
 				&gpiochip_attr_group);
 	} else
-		status = -ENODEV;
+		status = PTR_ERR(dev);
 	chip->exported = (status == 0);
 	mutex_unlock(&sysfs_lock);
 
@@ -1487,7 +1487,7 @@ static int gpiolib_open(struct inode *inode, struct file *file)
 	return single_open(file, gpiolib_show, NULL);
 }
 
-static struct file_operations gpiolib_operations = {
+static const struct file_operations gpiolib_operations = {
 	.open		= gpiolib_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,