[PATCH] Driver core: change device_attribute callbacks
This patch adds the device_attribute paramerter to the
device_attribute store and show sysfs callback functions, and passes a
reference to the attribute when the callbacks are called.
Signed-off-by: Yani Ioannou <yani.ioannou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 1d8c779..86d7975 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -39,7 +39,7 @@
ssize_t ret = -EIO;
if (dev_attr->show)
- ret = dev_attr->show(dev, buf);
+ ret = dev_attr->show(dev, dev_attr, buf);
return ret;
}
@@ -52,7 +52,7 @@
ssize_t ret = -EIO;
if (dev_attr->store)
- ret = dev_attr->store(dev, buf, count);
+ ret = dev_attr->store(dev, dev_attr, buf, count);
return ret;
}
diff --git a/include/linux/device.h b/include/linux/device.h
index 91aac34..7b781a7 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -335,8 +335,10 @@
struct device_attribute {
struct attribute attr;
- ssize_t (*show)(struct device * dev, char * buf);
- ssize_t (*store)(struct device * dev, const char * buf, size_t count);
+ ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count);
};
#define DEVICE_ATTR(_name,_mode,_show,_store) \