From e1944540b8f3008857bc95f3d08a0eb64f19a580 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jeff@garzik.org>
Date: Thu, 24 Aug 2006 02:35:51 -0400
Subject: Check for too-long interface names.

---
 ethtool.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ethtool.c b/ethtool.c
index 7d408be..8401582 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -624,9 +624,10 @@ static void parse_cmdline(int argc, char **argp)
 
 	}
 
-	if (devname == NULL) {
+	if (devname == NULL)
+		show_usage(1);
+	if (strlen(devname) >= IFNAMSIZ)
 		show_usage(1);
-	}
 }
 
 static void dump_supported(struct ethtool_cmd *ep)
-- 
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