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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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2
net/unix/af_unix.c
View file

@ -2033,6 +2033,7 @@ static struct sock *unix_seq_idx(struct unix_iter_state *iter, loff_t pos)
static void *unix_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(unix_table_lock)
{
struct unix_iter_state *iter = seq->private;
spin_lock(&unix_table_lock);
@ -2055,6 +2056,7 @@ static void *unix_seq_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void unix_seq_stop(struct seq_file *seq, void *v)
__releases(unix_table_lock)
{
spin_unlock(&unix_table_lock);
}