[TIPC]: Validate entire interface name when locating bearer to enable.

This fix prevents a bearer from being enabled using the wrong interface.
For example, specifying "eth:eth14" might enable "eth:eth1" by mistake.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 3ecb1006a42d..682da4a28041 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -2,7 +2,7 @@
  * net/tipc/eth_media.c: Ethernet bearer support for TIPC
  * 
  * Copyright (c) 2001-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005-2006, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -127,8 +127,7 @@ static int enable_bearer(struct tipc_bearer *tb_ptr)
 
         /* Find device with specified name */
 
-        while (dev && dev->name &&
-               (memcmp(dev->name, driver_name, strlen(dev->name)))) {
+        while (dev && dev->name && strncmp(dev->name, driver_name, IFNAMSIZ)) { 
                 dev = dev->next;
         }
         if (!dev)