ieee802154: 6lowpan: add RTNL assertion

This patch ensure that the rtnl lock is hold while newlink callback.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c
index da78fae5b3013311f378b733300ace981068cdcf..0c1a49b51e57c11cd1d78efdbe89b089c7004ded 100644 (file)
--- a/net/ieee802154/6lowpan_rtnl.c
+++ b/net/ieee802154/6lowpan_rtnl.c
@@ -584,6 +584,8 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
        struct lowpan_dev_record *entry;
        int ret;
 
+       ASSERT_RTNL();
+
        pr_debug("adding new link\n");
 
        if (!tb[IFLA_LINK])