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Subject[PATCH 1/2] [IrDA] Fix RCU lock pairing on error path
Hi Dave,

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 <>
---
net/irda/irlan/irlan_client.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index f8e6cb0..95cf123 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -173,13 +173,14 @@ void irlan_client_discovery_indication(d
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();
}

--
1.4.0
-
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