From db176529529c142333f668f2c1334753f7f406bf Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 9 Nov 2005 00:04:15 +0000
Subject: Include checks for mmap() returning NULL

---
 tools/oui.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tools/oui.c')

diff --git a/tools/oui.c b/tools/oui.c
index 0a1d67bc..6ebf91a5 100644
--- a/tools/oui.c
+++ b/tools/oui.c
@@ -65,7 +65,7 @@ char *ouitocomp(const char *oui)
 	memset(str, 0, 128);
 
 	map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
-	if (map == MAP_FAILED) {
+	if (!map || map == MAP_FAILED) {
 		free(str);
 		close(fd);
 		return NULL;
-- 
cgit