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PCI: Convert drivers/pci/proc.c to use unlocked_ioctl 

Change access to inode thru file->f_dentry->d_inode, and add explicit
lock/unlock_kernel() calls.


Signed-off-by: Mathieu Segaud <mathieu.segaud@regala.cx>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mathieu Segaud 2008-01-10 14:27:12 +01:00 committed by Greg Kroah-Hartman
parent 2326e2b999
commit add771840b
1 changed files with 8 additions and 3 deletions
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11
drivers/pci/proc.c
View File

@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/smp_lock.h>
#include <linux/capability.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
@ -202,15 +203,18 @@ struct pci_filp_private {
int write_combine;
};
static int proc_bus_pci_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
const struct proc_dir_entry *dp = PDE(inode);
const struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
struct pci_dev *dev = dp->data;
#ifdef HAVE_PCI_MMAP
struct pci_filp_private *fpriv = file->private_data;
#endif /* HAVE_PCI_MMAP */
int ret = 0;
lock_kernel();
switch (cmd) {
case PCIIOC_CONTROLLER:
ret = pci_domain_nr(dev->bus);
@ -239,6 +243,7 @@ static int proc_bus_pci_ioctl(struct inode *inode, struct file *file, unsigned i
break;
};
unlock_kernel();
return ret;
}
@ -291,7 +296,7 @@ static const struct file_operations proc_bus_pci_operations = {
.llseek = proc_bus_pci_lseek,
.read = proc_bus_pci_read,
.write = proc_bus_pci_write,
.ioctl = proc_bus_pci_ioctl,
.unlocked_ioctl = proc_bus_pci_ioctl,
#ifdef HAVE_PCI_MMAP
.open = proc_bus_pci_open,
.release = proc_bus_pci_release,