From 1384f3bb8a4f9066805b70c1418eda78ecb73fdd Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 9 Jun 2010 22:10:48 -0400
Subject: [PATCH] net: warn about spaces in device names

Some commands operate on eth device names (like 'mii'), but those cannot
be passed on the command line as one argument.  So detect devices like
these and warn about them so someone will fix it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
---
 net/eth.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/eth.c b/net/eth.c
index 83d559c12..de6d5c604 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -234,6 +234,9 @@ int eth_initialize(bd_t *bis)
 				puts (" [PRIME]");
 			}
 
+			if (strchr(dev->name, ' '))
+				puts("\nWarning: eth device name has a space!\n");
+
 			eth_getenv_enetaddr_by_index(eth_number, env_enetaddr);
 
 			if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {