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[NET]: Add some acquires/releases sparse annotations.

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Add __acquires() and __releases() annotations to suppress some sparse
warnings.

example of warnings :

net/ipv4/udp.c:1555:14: warning: context imbalance in 'udp_seq_start' - wrong
count at exit
net/ipv4/udp.c:1571:13: warning: context imbalance in 'udp_seq_stop' -
unexpected unlock

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2008-01-01 21:58:02 -08:00
committed by David S. Miller
parent b950dfcf50
commit 9a429c4983
16 changed files with 36 additions and 0 deletions
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4
net/sched/sch_generic.c
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@@ -40,12 +40,16 @@
*/
void qdisc_lock_tree(struct net_device *dev)
__acquires(dev->queue_lock)
__acquires(dev->ingress_lock)
{
spin_lock_bh(&dev->queue_lock);
spin_lock(&dev->ingress_lock);
}
void qdisc_unlock_tree(struct net_device *dev)
__releases(dev->ingress_lock)
__releases(dev->queue_lock)
{
spin_unlock(&dev->ingress_lock);
spin_unlock_bh(&dev->queue_lock);