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sysfs: add struct file* to bin_attr callbacks

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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>
This commit is contained in:
Chris Wright
2010-05-12 18:28:57 -07:00
committed by Greg Kroah-Hartman
parent 68d75ed4b8
commit 2c3c8bea60
52 changed files with 220 additions and 149 deletions
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7
include/linux/sysfs.h
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@ -87,17 +87,18 @@ struct attribute_group {
#define attr_name(_attr) (_attr).attr.name
struct file;
struct vm_area_struct;
struct bin_attribute {
struct attribute attr;
size_t size;
void *private;
ssize_t (*read)(struct kobject *, struct bin_attribute *,
ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *,
char *, loff_t, size_t);
ssize_t (*write)(struct kobject *, struct bin_attribute *,
ssize_t (*write)(struct file *,struct kobject *, struct bin_attribute *,
char *, loff_t, size_t);
int (*mmap)(struct kobject *, struct bin_attribute *attr,
int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr,
struct vm_area_struct *vma);
};