mac802154: llsec: fix incorrect lock pairing

In encrypt, sec->lock is taken with read_lock_bh, so in the error path,
we must read_unlock_bh.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phoebe Buckheister 2014-05-20 13:14:22 +02:00 committed by David S. Miller
parent 68bc74feb0
commit 6f3eabcd04

View File

@ -776,7 +776,7 @@ int mac802154_llsec_encrypt(struct mac802154_llsec *sec, struct sk_buff *skb)
return rc < 0 ? rc : 0;
fail_read:
read_unlock(&sec->lock);
read_unlock_bh(&sec->lock);
fail:
rcu_read_unlock();
return rc;