procfs privacy: /proc/bus/pci

diff -puN drivers/pci/proc.c~proc-privacy-1 drivers/pci/proc.c
@@ -565,7 +565,7 @@ static struct file_operations proc_pci_o
 
 static void legacy_proc_init(void)
 {
-	struct proc_dir_entry * entry = create_proc_entry("pci", 0, NULL);
+	struct proc_dir_entry * entry = create_proc_entry("pci", S_IRUSR, NULL);
 	if (entry)
 		entry->proc_fops = &proc_pci_operations;
 }

@@ -594,7 +594,7 @@ static int __init pci_proc_init(void)
 {
 	struct proc_dir_entry *entry;
 	struct pci_dev *dev = NULL;
-	proc_bus_pci_dir = proc_mkdir("pci", proc_bus);
+	proc_bus_pci_dir = proc_mkdir_mode("pci", S_IRUSR | S_IXUSR, proc_bus);
 	entry = create_proc_entry("devices", 0, proc_bus_pci_dir);
 	if (entry)
 		entry->proc_fops = &proc_bus_pci_dev_operations;