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authorStephen Hemminger <shemminger@vyatta.com>2008-01-31 04:08:10 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-31 19:27:46 -0800
commit2f0d2f10391e190f940da70cbdc8a61e4dad98eb (patch)
treed732ec9ecf934264525254873c5cc5aa18afce15 /net
parent4e26fe2681e9e3a4a43daab70c9facba3310755b (diff)
[NETFILTER]: conntrack: get rid of sparse warnings
Teach sparse about locking here, and fix signed/unsigned warnings. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conntrack_irc.c2
-rw-r--r--net/netfilter/nf_conntrack_proto_sctp.c4
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c6
-rw-r--r--net/netfilter/nf_conntrack_sip.c4
-rw-r--r--net/netfilter/nf_conntrack_standalone.c2
-rw-r--r--net/netfilter/nf_conntrack_tftp.c2
6 files changed, 11 insertions, 9 deletions
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index dfaed4ba83c..c336b07a0d4 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -23,7 +23,7 @@
#define MAX_PORTS 8
static unsigned short ports[MAX_PORTS];
-static int ports_c;
+static unsigned int ports_c;
static unsigned int max_dcc_channels = 8;
static unsigned int dcc_timeout __read_mostly = 300;
/* This is slow, but it's simple. --RR */
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 21d29e782ba..7017b161a14 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -624,7 +624,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 __read_mostly = {
#endif
};
-int __init nf_conntrack_proto_sctp_init(void)
+static int __init nf_conntrack_proto_sctp_init(void)
{
int ret;
@@ -647,7 +647,7 @@ int __init nf_conntrack_proto_sctp_init(void)
return ret;
}
-void __exit nf_conntrack_proto_sctp_fini(void)
+static void __exit nf_conntrack_proto_sctp_fini(void)
{
nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_sctp6);
nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_sctp4);
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 64c9b910419..8e220753566 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -1098,16 +1098,16 @@ static const struct nla_policy tcp_nla_policy[CTA_PROTOINFO_TCP_MAX+1] = {
static int nlattr_to_tcp(struct nlattr *cda[], struct nf_conn *ct)
{
- struct nlattr *attr = cda[CTA_PROTOINFO_TCP];
+ struct nlattr *pattr = cda[CTA_PROTOINFO_TCP];
struct nlattr *tb[CTA_PROTOINFO_TCP_MAX+1];
int err;
/* updates could not contain anything about the private
* protocol info, in that case skip the parsing */
- if (!attr)
+ if (!pattr)
return 0;
- err = nla_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, attr, tcp_nla_policy);
+ err = nla_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, pattr, tcp_nla_policy);
if (err < 0)
return err;
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 47d8947cf26..775f7d46810 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -28,7 +28,7 @@ MODULE_ALIAS("ip_conntrack_sip");
#define MAX_PORTS 8
static unsigned short ports[MAX_PORTS];
-static int ports_c;
+static unsigned int ports_c;
module_param_array(ports, ushort, &ports_c, 0400);
MODULE_PARM_DESC(ports, "port numbers of SIP servers");
@@ -407,7 +407,7 @@ static int sip_help(struct sk_buff *skb,
unsigned int dataoff, datalen;
const char *dptr;
int ret = NF_ACCEPT;
- int matchoff, matchlen;
+ unsigned int matchoff, matchlen;
u_int16_t port;
enum sip_header_pos pos;
typeof(nf_nat_sip_hook) nf_nat_sip;
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 696074a037c..28c5ae8f562 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -93,6 +93,7 @@ static struct hlist_node *ct_get_idx(struct seq_file *seq, loff_t pos)
}
static void *ct_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(nf_conntrack_lock)
{
read_lock_bh(&nf_conntrack_lock);
return ct_get_idx(seq, *pos);
@@ -105,6 +106,7 @@ static void *ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
}
static void ct_seq_stop(struct seq_file *s, void *v)
+ __releases(nf_conntrack_lock)
{
read_unlock_bh(&nf_conntrack_lock);
}
diff --git a/net/netfilter/nf_conntrack_tftp.c b/net/netfilter/nf_conntrack_tftp.c
index e894aa1ff3a..176f769d307 100644
--- a/net/netfilter/nf_conntrack_tftp.c
+++ b/net/netfilter/nf_conntrack_tftp.c
@@ -25,7 +25,7 @@ MODULE_ALIAS("ip_conntrack_tftp");
#define MAX_PORTS 8
static unsigned short ports[MAX_PORTS];
-static int ports_c;
+static unsigned int ports_c;
module_param_array(ports, ushort, &ports_c, 0400);
MODULE_PARM_DESC(ports, "Port numbers of TFTP servers");