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sysfs: add struct file* to bin_attr callbacks

Browse source 
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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8
arch/alpha/kernel/pci-sysfs.c
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@ -53,6 +53,7 @@ static int __pci_mmap_fits(struct pci_dev *pdev, int num,
/**
* pci_mmap_resource - map a PCI resource into user memory space
* @filp: open sysfs file
* @kobj: kobject for mapping
* @attr: struct bin_attribute for the file being mapped
* @vma: struct vm_area_struct passed into the mmap
@ -60,7 +61,8 @@ static int __pci_mmap_fits(struct pci_dev *pdev, int num,
*
* Use the bus mapping routines to map a PCI resource into userspace.
*/
static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
static int pci_mmap_resource(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
struct vm_area_struct *vma, int sparse)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj,
@ -89,14 +91,14 @@ static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
return hose_mmap_page_range(pdev->sysdata, vma, mmap_type, sparse);
}
static int pci_mmap_resource_sparse(struct kobject *kobj,
static int pci_mmap_resource_sparse(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
struct vm_area_struct *vma)
{
return pci_mmap_resource(kobj, attr, vma, 1);
}
static int pci_mmap_resource_dense(struct kobject *kobj,
static int pci_mmap_resource_dense(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr,
struct vm_area_struct *vma)
{