sysfs: add struct file* to bin_attr callbacks
This allows bin_attr->read,write,mmap callbacks to check file specific data
(such as inode owner) as part of any privilege validation.
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index d98e424..3f093b0 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -278,8 +278,9 @@
static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store);
static ssize_t
-firmware_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
- char *buffer, loff_t offset, size_t count)
+firmware_data_read(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buffer, loff_t offset,
+ size_t count)
{
struct device *dev = to_dev(kobj);
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
@@ -362,6 +363,7 @@
/**
* firmware_data_write - write method for firmware
+ * @filp: open sysfs file
* @kobj: kobject for the device
* @bin_attr: bin_attr structure
* @buffer: buffer being written
@@ -372,8 +374,9 @@
* the driver as a firmware image.
**/
static ssize_t
-firmware_data_write(struct kobject *kobj, struct bin_attribute *bin_attr,
- char *buffer, loff_t offset, size_t count)
+firmware_data_write(struct file* filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buffer,
+ loff_t offset, size_t count)
{
struct device *dev = to_dev(kobj);
struct firmware_priv *fw_priv = dev_get_drvdata(dev);