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[IrDA]: Fix RCU lock pairing on error path

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irlan_client_discovery_indication calls rcu_read_lock and rcu_read_unlock, but
returns without unlocking in an error case.  Fix that by replacing the return
with a goto so that the rcu_read_unlock always gets executed.

Signed-off-by: Josh Triplett <josh@freedesktop.org>
Acked-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: Samuel Ortiz samuel@sortiz.org <>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Josh Triplett 2006-06-29 17:02:31 -07:00 committed by David S. Miller
parent 244055fdc8
commit 1bc1731133
1 changed files with 2 additions and 1 deletions
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3
net/irda/irlan/irlan_client.c
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@ -173,13 +173,14 @@ void irlan_client_discovery_indication(discinfo_t *discovery,
rcu_read_lock();
self = irlan_get_any();
if (self) {
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, goto out;);
IRDA_DEBUG(1, "%s(), Found instance (%08x)!\n", __FUNCTION__ ,
daddr);
irlan_client_wakeup(self, saddr, daddr);
}
IRDA_ASSERT_LABEL(out:)
rcu_read_unlock();
}