switch vfs_getattr() to struct path

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/kernel/module.c b/kernel/module.c
index b10b048..950076e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2519,7 +2519,7 @@
 	if (err)
 		goto out;
 
-	err = vfs_getattr(file->f_vfsmnt, file->f_dentry, &stat);
+	err = vfs_getattr(&file->f_path, &stat);
 	if (err)
 		goto out;