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 <[email protected]> Reviewed-by: Stefan Schmidt <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]>
ambv · Jul 8, 2016 · 966be9e · 966be9e
1 parent 929946a
commit 966be9e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/6lowpan/ndisc.c b/net/6lowpan/ndisc.c
@@ -47,6 +47,9 @@ static int lowpan_ndisc_parse_options(const struct net_device *dev,
 				      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: