diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 8945f4e489ed70a03cb272f57064a69330409a60..620b876f939fd68f46baa46481bad0c29b07df10 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -275,7 +275,7 @@ static const char *fw_path[] = {
 };
 
 /* Don't inline this: 'struct kstat' is biggish */
-static noinline long fw_file_size(struct file *file)
+static noinline_for_stack long fw_file_size(struct file *file)
 {
 	struct kstat st;
 	if (vfs_getattr(file->f_path.mnt, file->f_path.dentry, &st))