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

net/6lowpan/ndisc.c

+2 −1
Original line number Diff line number Diff line
@@ -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);

		}

		break;

	case NDISC_NEIGHBOUR_ADVERTISEMENT:

	case NDISC_NEIGHBOUR_SOLICITATION: