lkml.org 
[lkml]   [2013]   [Oct]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/2] 6lowpan: Only make 6lowpan links to IEEE802154 devices
Date
Refuse to create 6lowpan links if the actual hardware interface is
of any type other than ARPHRD_IEEE802154.

Signed-off-by: Alan Ott <alan@signal11.us>
Suggested-by: Alexander Aring <alex.aring@gmail.com>
---
net/ieee802154/6lowpan.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index c85e71e..8f56b2b 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -1372,6 +1372,8 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
real_dev = dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
if (!real_dev)
return -ENODEV;
+ if (real_dev->type != ARPHRD_IEEE802154)
+ return -EINVAL;

lowpan_dev_info(dev)->real_dev = real_dev;
lowpan_dev_info(dev)->fragment_tag = 0;
--
1.8.1.2


\
 
 \ /
  Last update: 2013-10-06 05:21    [W:0.053 / U:0.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site