[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>
diff --git a/net/core/dev.c b/net/core/dev.c
index 7153e94..eee7742 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2368,6 +2368,7 @@
* in detail.
*/
void *dev_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(dev_base_lock)
{
struct net *net = seq_file_net(seq);
loff_t off;
@@ -2394,6 +2395,7 @@
}
void dev_seq_stop(struct seq_file *seq, void *v)
+ __releases(dev_base_lock)
{
read_unlock(&dev_base_lock);
}