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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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Chris Wright 2010-05-12 18:28:57 -07:00 • committed by Greg Kroah-Hartman
commit 2c3c8bea60
52 changed files with 220 additions and 149 deletions
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3
kernel/ksysfs.c
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@ -138,7 +138,8 @@ extern const void __start_notes __attribute__((weak));
extern const void __stop_notes __attribute__((weak));
#define notes_size (&__stop_notes - &__start_notes)
static ssize_t notes_read(struct kobject *kobj, struct bin_attribute *bin_attr,
static ssize_t notes_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
memcpy(buf, &__start_notes + off, count);