[PATCH bluetooth-next 2/2] 6lowpan: ndisc: add missing 802.15.4 only check

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This patch adds a missing check to handle short address parsing for
802.15.4 6LoWPAN only.

Signed-off-by: Alexander Aring <aar@xxxxxxxxxxxxxx>
---
 net/6lowpan/ndisc.c | 3 +++
 1 file changed, 3 insertions(+)

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 @@ 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:
-- 
2.9.0

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