a7y18lte-ubports/android_kernel_samsung_universal7885
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[PATCH] INPUT: Fix oops when accessing sysfs files of nested input devices

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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2005-10-27 22:25:43 -07:00
parent 967ca69216
commit 629b77a42c
1 changed files with 12 additions and 7 deletions
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19
drivers/input/input.c
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@ -642,17 +642,22 @@ static ssize_t input_dev_show_##name(struct class_device *dev, char *buf) \
up(&input_dev->sem); \ up(&input_dev->sem); \
\ \
return retval; \ return retval; \
} } \
static CLASS_DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL);
INPUT_DEV_STRING_ATTR_SHOW(name); INPUT_DEV_STRING_ATTR_SHOW(name);
INPUT_DEV_STRING_ATTR_SHOW(phys); INPUT_DEV_STRING_ATTR_SHOW(phys);
INPUT_DEV_STRING_ATTR_SHOW(uniq); INPUT_DEV_STRING_ATTR_SHOW(uniq);
static struct class_device_attribute input_dev_attrs[] = { static struct attribute *input_dev_attrs[] = {
__ATTR(name, S_IRUGO, input_dev_show_name, NULL), &class_device_attr_name.attr,
__ATTR(phys, S_IRUGO, input_dev_show_phys, NULL), &class_device_attr_phys.attr,
__ATTR(uniq, S_IRUGO, input_dev_show_uniq, NULL), &class_device_attr_uniq.attr,
__ATTR_NULL NULL
};
static struct attribute_group input_dev_group = {
.attrs = input_dev_attrs,
}; };
#define INPUT_DEV_ID_ATTR(name) \ #define INPUT_DEV_ID_ATTR(name) \
@ -728,7 +733,6 @@ static void input_dev_release(struct class_device *class_dev)
struct class input_dev_class = { struct class input_dev_class = {
.name = "input_dev", .name = "input_dev",
.release = input_dev_release, .release = input_dev_release,
.class_dev_attrs = input_dev_attrs,
}; };
struct input_dev *input_allocate_device(void) struct input_dev *input_allocate_device(void)
@ -766,6 +770,7 @@ static void input_register_classdevice(struct input_dev *dev)
kfree(path); kfree(path);
class_device_add(&dev->cdev); class_device_add(&dev->cdev);
sysfs_create_group(&dev->cdev.kobj, &input_dev_group);
sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group); sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group); sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
} }