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-rw-r--r--net/6lowpan/ndisc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/6lowpan/ndisc.c b/net/6lowpan/ndisc.c
index ae1d4199aa4c..030504e031b6 100644
--- a/net/6lowpan/ndisc.c
+++ b/net/6lowpan/ndisc.c
@@ -135,8 +135,9 @@ static int lowpan_ndisc_opt_addr_space(const struct net_device *dev,
read_unlock_bh(&neigh->lock);
addr_space += __ndisc_opt_addr_space(IEEE802154_SHORT_ADDR_LEN, 0);
*ha = ha_buf;
+ } else {
+ read_unlock_bh(&neigh->lock);
}
- read_unlock_bh(&neigh->lock);
break;
case NDISC_NEIGHBOUR_ADVERTISEMENT:
case NDISC_NEIGHBOUR_SOLICITATION: