From 7f449026218631b6690f4f52def0f279ba1088f8 Mon Sep 17 00:00:00 2001
From: Patrick Latifi <pat@cvs.openbsd.org>
Date: Mon, 28 Feb 2005 01:17:20 +0000
Subject: Don't bother trying to load an empty firmware file.

ok deraadt
---
 sys/dev/firmload.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'sys/dev')

diff --git a/sys/dev/firmload.c b/sys/dev/firmload.c
index 9b53209ef0c..5c370cad08e 100644
--- a/sys/dev/firmload.c
+++ b/sys/dev/firmload.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: firmload.c,v 1.3 2004/11/17 16:16:09 deraadt Exp $	*/
+/*	$OpenBSD: firmload.c,v 1.4 2005/02/28 01:17:19 pat Exp $	*/
 
 /*
  * Copyright (c) 2004 Theo de Raadt <deraadt@openbsd.org>
@@ -52,6 +52,10 @@ loadfirmware(const char *name, u_char **bufp, size_t *buflen)
 	error = VOP_GETATTR(nid.ni_vp, &va, p->p_ucred, p);
 	if (error)
 		goto fail;
+	if (va.va_size == 0) {
+		error = EINVAL;
+		goto fail;
+	}
 	if (va.va_size > FIRMWARE_MAX) {
 		error = E2BIG;
 		goto fail;
-- 
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