Commit 687a25f1 authored by Allan Stephens's avatar Allan Stephens Committed by David S. Miller
Browse files

[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: default avatarAllan Stephens <allan.stephens@windriver.com>
Signed-off-by: default avatarPer Liden <per.liden@ericsson.com>
parent a592ea63

net/tipc/eth_media.c

+2 −3
Original line number Diff line number Diff line
@@ -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)