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/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index d979e7c..a5fffc8 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -53,6 +53,7 @@
/**
* 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 @@
*
* 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 @@
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)
{