netdev - [PATCH] net: A little dev_valid

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Message-ID: <8496f91a0901181107o17ee80e7h7fab67194a7bde23@mail.gmail.com>
Date:	Sun, 18 Jan 2009 22:07:56 +0300
From:	"Matvejchikov Ilya" <matvejchikov@...il.com>
To:	netdev@...r.kernel.org
Subject: [PATCH] net: A little dev_valid_name() improvement

This patch removes redundant complexity when checking the
network device name to be valid.

Signed-off-by: Matvejchikov Ilya <matvejchikov@...il.com>
---
 net/core/dev.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 8d67597..9c5d8f4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -760,12 +760,10 @@ struct net_device * dev_get_by_flags(struct net
*net, unsigned short if_flags, u
  */
 int dev_valid_name(const char *name)
 {
-	if (*name == '\0')
+	if (*name == '\0' || *name == '.')
 		return 0;
 	if (strlen(name) >= IFNAMSIZ)
 		return 0;
-	if (!strcmp(name, ".") || !strcmp(name, ".."))
-		return 0;

 	while (*name) {
 		if (*name == '/' || isspace(*name))
-- 
1.6.1
--
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