pci: use size stored in proc_dir_entry for proc bus files

On pci_proc_attach_device(), the size of the PCI configuration space is
stored in the proc_dir_entry as the size of the file.  Thus, the procfs
interface to PCI devices should use it instead of the device directly.

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 90adc62d07ff..73714db6995e 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -60,7 +60,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
          */
 
         if (capable(CAP_SYS_ADMIN))
-                size = dev->cfg_size;
+                size = dp->size;
         else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)
                 size = 128;
         else
@@ -133,7 +133,7 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
         const struct proc_dir_entry *dp = PDE(ino);
         struct pci_dev *dev = dp->data;
         int pos = *ppos;
-        int size = dev->cfg_size;
+        int size = dp->size;
         int cnt;
 
         if (pos >= size)