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/ipv6/mcast.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'net/ipv6/mcast.c') diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 82b12940c2a..ab228d1ea11 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -2373,6 +2373,7 @@ static struct ifmcaddr6 *igmp6_mc_get_idx(struct seq_file *seq, loff_t pos) } static void *igmp6_mc_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(dev_base_lock) { read_lock(&dev_base_lock); return igmp6_mc_get_idx(seq, *pos); @@ -2387,6 +2388,7 @@ static void *igmp6_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void igmp6_mc_seq_stop(struct seq_file *seq, void *v) + __releases(dev_base_lock) { struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq); if (likely(state->idev != NULL)) { @@ -2516,6 +2518,7 @@ static struct ip6_sf_list *igmp6_mcf_get_idx(struct seq_file *seq, loff_t pos) } static void *igmp6_mcf_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(dev_base_lock) { read_lock(&dev_base_lock); return *pos ? igmp6_mcf_get_idx(seq, *pos - 1) : SEQ_START_TOKEN; @@ -2533,6 +2536,7 @@ static void *igmp6_mcf_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void igmp6_mcf_seq_stop(struct seq_file *seq, void *v) + __releases(dev_base_lock) { struct igmp6_mcf_iter_state *state = igmp6_mcf_seq_private(seq); if (likely(state->im != NULL)) { -- cgit