Commit 929946a4 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann

6lowpan: ndisc: fix double read unlock

This patch removes a double unlock case to accessing neighbour private
data.
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarAlexander Aring <aar@pengutronix.de>
Reviewed-by: default avatarStefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent a4770e11
...@@ -135,8 +135,9 @@ static int lowpan_ndisc_opt_addr_space(const struct net_device *dev, ...@@ -135,8 +135,9 @@ static int lowpan_ndisc_opt_addr_space(const struct net_device *dev,
read_unlock_bh(&neigh->lock); read_unlock_bh(&neigh->lock);
addr_space += __ndisc_opt_addr_space(IEEE802154_SHORT_ADDR_LEN, 0); addr_space += __ndisc_opt_addr_space(IEEE802154_SHORT_ADDR_LEN, 0);
*ha = ha_buf; *ha = ha_buf;
} else {
read_unlock_bh(&neigh->lock);
} }
read_unlock_bh(&neigh->lock);
break; break;
case NDISC_NEIGHBOUR_ADVERTISEMENT: case NDISC_NEIGHBOUR_ADVERTISEMENT:
case NDISC_NEIGHBOUR_SOLICITATION: case NDISC_NEIGHBOUR_SOLICITATION:
......
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