From ca7c48ca97e5e1d9dbc26cef165814f96d38d96b Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 31 Jan 2008 03:53:27 -0800 Subject: [PATCH] [NETFILTER]: Supress some sparse warnings CHECK net/netfilter/nf_conntrack_expect.c net/netfilter/nf_conntrack_expect.c:429:13: warning: context imbalance in 'exp_seq_start' - wrong count at exit net/netfilter/nf_conntrack_expect.c:441:13: warning: context imbalance in 'exp_seq_stop' - unexpected unlock CHECK net/netfilter/nf_log.c net/netfilter/nf_log.c:105:13: warning: context imbalance in 'seq_start' - wrong count at exit net/netfilter/nf_log.c:125:13: warning: context imbalance in 'seq_stop' - unexpected unlock CHECK net/netfilter/nfnetlink_queue.c net/netfilter/nfnetlink_queue.c:363:7: warning: symbol 'size' shadows an earlier one net/netfilter/nfnetlink_queue.c:217:9: originally declared here net/netfilter/nfnetlink_queue.c:847:13: warning: context imbalance in 'seq_start' - wrong count at exit net/netfilter/nfnetlink_queue.c:859:13: warning: context imbalance in 'seq_stop' - unexpected unlock Signed-off-by: Eric Dumazet Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/netfilter/nf_conntrack_expect.c | 2 ++ net/netfilter/nf_log.c | 2 ++ net/netfilter/nfnetlink_queue.c | 6 ++++-- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index e0cd9d00aa..e405079e5a 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -427,6 +427,7 @@ static struct hlist_node *ct_expect_get_idx(struct seq_file *seq, loff_t pos) } static void *exp_seq_start(struct seq_file *seq, loff_t *pos) + __acquires(nf_conntrack_lock) { read_lock_bh(&nf_conntrack_lock); return ct_expect_get_idx(seq, *pos); @@ -439,6 +440,7 @@ static void *exp_seq_next(struct seq_file *seq, void *v, loff_t *pos) } static void exp_seq_stop(struct seq_file *seq, void *v) + __releases(nf_conntrack_lock) { read_unlock_bh(&nf_conntrack_lock); } diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index 4f5f2885fc..cec9976aec 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -103,6 +103,7 @@ EXPORT_SYMBOL(nf_log_packet); #ifdef CONFIG_PROC_FS static void *seq_start(struct seq_file *seq, loff_t *pos) + __acquires(RCU) { rcu_read_lock(); @@ -123,6 +124,7 @@ static void *seq_next(struct seq_file *s, void *v, loff_t *pos) } static void seq_stop(struct seq_file *s, void *v) + __releases(RCU) { rcu_read_unlock(); } diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 51476f82bb..a48b20fe9c 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -360,7 +360,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, if (data_len) { struct nlattr *nla; - int size = nla_attr_size(data_len); + int sz = nla_attr_size(data_len); if (skb_tailroom(skb) < nla_total_size(data_len)) { printk(KERN_WARNING "nf_queue: no tailroom!\n"); @@ -369,7 +369,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, nla = (struct nlattr *)skb_put(skb, nla_total_size(data_len)); nla->nla_type = NFQA_PAYLOAD; - nla->nla_len = size; + nla->nla_len = sz; if (skb_copy_bits(entskb, 0, nla_data(nla), data_len)) BUG(); @@ -845,6 +845,7 @@ static struct hlist_node *get_idx(struct seq_file *seq, loff_t pos) } static void *seq_start(struct seq_file *seq, loff_t *pos) + __acquires(instances_lock) { spin_lock(&instances_lock); return get_idx(seq, *pos); @@ -857,6 +858,7 @@ static void *seq_next(struct seq_file *s, void *v, loff_t *pos) } static void seq_stop(struct seq_file *s, void *v) + __releases(instances_lock) { spin_unlock(&instances_lock); } -- 2.39.5