6lowpan: ndisc: add missing 802.15.4 only check
This patch adds a missing check to handle short address parsing for
802.15.4 6LoWPAN only.
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/6lowpan/ndisc.c b/net/6lowpan/ndisc.c
index 030504e..79c5fa9 100644
--- a/net/6lowpan/ndisc.c
+++ b/net/6lowpan/ndisc.c
@@ -47,6 +47,9 @@
struct nd_opt_hdr *nd_opt,
struct ndisc_options *ndopts)
{
+ if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
+ return 0;
+
switch (nd_opt->nd_opt_type) {
case ND_OPT_SOURCE_LL_ADDR:
case ND_OPT_TARGET_LL_ADDR: