new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/net/atm/proc.c b/net/atm/proc.c
index 0d020de..2518b5f 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -385,7 +385,7 @@
 	page = get_zeroed_page(GFP_KERNEL);
 	if (!page)
 		return -ENOMEM;
-	dev = PDE(file->f_path.dentry->d_inode)->data;
+	dev = PDE(file_inode(file))->data;
 	if (!dev->ops->proc_read)
 		length = -EINVAL;
 	else {