From 9a429c4983deae020f1e757ecc8f547b6d4e2f2b Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 1 Jan 2008 21:58:02 -0800 Subject: [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 Signed-off-by: David S. Miller --- net/netlink/af_netlink.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'net/netlink') diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index dbd7cad1c9a9..be07f1b45ee2 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -171,6 +171,7 @@ static void netlink_sock_destruct(struct sock *sk) */ static void netlink_table_grab(void) + __acquires(nl_table_lock) { write_lock_irq(&nl_table_lock); @@ -193,6 +194,7 @@ static void netlink_table_grab(void) } static inline void netlink_table_ungrab(void) + __releases(nl_table_lock) { write_unlock_irq(&nl_table_lock); wake_up(&nl_table_wait); @@ -1728,6 +1730,7 @@ static struct sock *netlink_seq_socket_idx(struct seq_file *seq, loff_t pos) } static void *netlink_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(nl_table_lock) { read_lock(&nl_table_lock); return *pos ? netlink_seq_socket_idx(seq, *pos - 1) : SEQ_START_TOKEN; @@ -1776,6 +1779,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void netlink_seq_stop(struct seq_file *seq, void *v) + __releases(nl_table_lock) { read_unlock(&nl_table_lock); } -- cgit v1.2.3