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

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

View File

@@ -1127,6 +1127,7 @@ struct handle {
};
static void *c_start(struct seq_file *m, loff_t *pos)
__acquires(cd->hash_lock)
{
loff_t n = *pos;
unsigned hash, entry;
@@ -1183,6 +1184,7 @@ static void *c_next(struct seq_file *m, void *p, loff_t *pos)
}
static void c_stop(struct seq_file *m, void *p)
__releases(cd->hash_lock)
{
struct cache_detail *cd = ((struct handle*)m->private)->cd;
read_unlock(&cd->hash_lock);