[DCCP]: Fix sparse warnings

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

6 files changed, 32 insertions, 24 deletions

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 09274f32a337..21948d023c72 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -82,12 +82,13 @@ enum ccid3_options {
 
 static int ccid3_debug;
 
-struct dccp_tx_hist *ccid3_tx_hist;
-struct dccp_rx_hist *ccid3_rx_hist;
+static struct dccp_tx_hist *ccid3_tx_hist;
+static struct dccp_rx_hist *ccid3_rx_hist;
 
 static kmem_cache_t *ccid3_loss_interval_hist_slab;
 
-static inline struct ccid3_loss_interval_hist_entry *ccid3_loss_interval_hist_entry_new(int prio)
+static inline struct ccid3_loss_interval_hist_entry *
+        ccid3_loss_interval_hist_entry_new(const unsigned int __nocast prio)
 {
         return kmem_cache_alloc(ccid3_loss_interval_hist_slab, prio);
 }
@@ -1593,7 +1594,9 @@ static void ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
  * These are integers as per section 8 of RFC3448. We can then divide by 4 *
  * when we use it.
  */
-const int ccid3_hc_rx_w[TFRC_RECV_IVAL_F_LENGTH] = { 4, 4, 4, 4, 3, 2, 1, 1, };
+static const int ccid3_hc_rx_w[TFRC_RECV_IVAL_F_LENGTH] = {
+        4, 4, 4, 4, 3, 2, 1, 1,
+};
 
 /*
  * args: fvalue - function value to match
@@ -1601,7 +1604,7 @@ const int ccid3_hc_rx_w[TFRC_RECV_IVAL_F_LENGTH] = { 4, 4, 4, 4, 3, 2, 1, 1, };
  *
  * both fvalue and p are multiplied by 1,000,000 to use ints
  */
-u32 calcx_reverse_lookup(u32 fvalue) {
+static u32 calcx_reverse_lookup(u32 fvalue) {
         int ctr = 0;
         int small;
 
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 270f19439964..148e8a65a10c 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -231,19 +231,22 @@ extern void		dccp_close(struct sock *sk, long timeout);
 extern struct sk_buff   *dccp_make_response(struct sock *sk,
                                             struct dst_entry *dst,
                                             struct request_sock *req);
+extern struct sk_buff   *dccp_make_reset(struct sock *sk,
+                                         struct dst_entry *dst,
+                                         enum dccp_reset_codes code);
 
 extern int         dccp_connect(struct sock *sk);
 extern int         dccp_disconnect(struct sock *sk, int flags);
 extern int         dccp_getsockopt(struct sock *sk, int level, int optname,
-                                   char *optval, int *optlen);
+                                   char __user *optval, int __user *optlen);
+extern int         dccp_setsockopt(struct sock *sk, int level, int optname,
+                                   char __user *optval, int optlen);
 extern int         dccp_ioctl(struct sock *sk, int cmd, unsigned long arg);
 extern int         dccp_sendmsg(struct kiocb *iocb, struct sock *sk,
                                 struct msghdr *msg, size_t size);
 extern int         dccp_recvmsg(struct kiocb *iocb, struct sock *sk,
                                 struct msghdr *msg, size_t len, int nonblock,
                                 int flags, int *addr_len);
-extern int         dccp_setsockopt(struct sock *sk, int level, int optname,
-                                   char *optval, int optlen);
 extern void        dccp_shutdown(struct sock *sk, int how);
 
 extern int         dccp_v4_checksum(const struct sk_buff *skb,
@@ -419,7 +422,9 @@ struct dccp_ackpkts {
         u8                      dccpap_buf[0];
 };
 
-extern struct dccp_ackpkts *dccp_ackpkts_alloc(unsigned int len, int priority);
+extern struct dccp_ackpkts *
+                dccp_ackpkts_alloc(unsigned int len,
+                                  const unsigned int __nocast priority);
 extern void dccp_ackpkts_free(struct dccp_ackpkts *ap);
 extern int dccp_ackpkts_add(struct dccp_ackpkts *ap, u64 ackno, u8 state);
 extern void dccp_ackpkts_check_rcv_ackno(struct dccp_ackpkts *ap,
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 42d9c878d4c3..bc3cfc0533cc 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -617,9 +617,6 @@ out:
         sock_put(sk);
 }
 
-extern struct sk_buff *dccp_make_reset(struct sock *sk, struct dst_entry *dst,
-                                       enum dccp_reset_codes code);
-
 int dccp_v4_send_reset(struct sock *sk, enum dccp_reset_codes code)
 {
         struct sk_buff *skb;
@@ -881,7 +878,7 @@ static struct dst_entry* dccp_v4_route_skb(struct sock *sk,
         return &rt->u.dst;
 }
 
-void dccp_v4_ctl_send_reset(struct sk_buff *rxskb)
+static void dccp_v4_ctl_send_reset(struct sk_buff *rxskb)
 {
         int err;
         struct dccp_hdr *rxdh = dccp_hdr(rxskb), *dh;
@@ -1268,7 +1265,7 @@ static int dccp_v4_init_sock(struct sock *sk)
         return 0;
 }
 
-int dccp_v4_destroy_sock(struct sock *sk)
+static int dccp_v4_destroy_sock(struct sock *sk)
 {
         struct dccp_sock *dp = dccp_sk(sk);
 
diff --git a/net/dccp/options.c b/net/dccp/options.c
index fc363aaeedaf..d87d6be7ab10 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -499,7 +499,8 @@ void dccp_insert_options(struct sock *sk, struct sk_buff *skb)
         }
 }
 
-struct dccp_ackpkts *dccp_ackpkts_alloc(unsigned int len, int priority)
+struct dccp_ackpkts *dccp_ackpkts_alloc(const unsigned int len,
+                                        const unsigned int __nocast priority)
 {
         struct dccp_ackpkts *ap = kmalloc(sizeof(*ap) + len, priority);
 
diff --git a/net/dccp/packet_history.h b/net/dccp/packet_history.h
index 489fff45ccdf..2e5ba343e3dd 100644
--- a/net/dccp/packet_history.h
+++ b/net/dccp/packet_history.h
@@ -79,8 +79,8 @@ extern struct dccp_rx_hist_entry *
                 dccp_rx_hist_find_data_packet(const struct list_head *list);
 
 static inline struct dccp_tx_hist_entry *
-                        dccp_tx_hist_entry_new(struct dccp_tx_hist *hist,
-                                               const int prio)
+                dccp_tx_hist_entry_new(struct dccp_tx_hist *hist,
+                                       const unsigned int __nocast prio)
 {
         struct dccp_tx_hist_entry *entry = kmem_cache_alloc(hist->dccptxh_slab,
                                                             prio);
@@ -127,10 +127,10 @@ static inline struct dccp_tx_hist_entry *
 }
 
 static inline struct dccp_rx_hist_entry *
-                             dccp_rx_hist_entry_new(struct dccp_rx_hist *hist,
-                                                    const u32 ndp, 
-                                                    const struct sk_buff *skb,
-                                                    const int prio)
+                     dccp_rx_hist_entry_new(struct dccp_rx_hist *hist,
+                                            const u32 ndp, 
+                                            const struct sk_buff *skb,
+                                            const unsigned int __nocast prio)
 {
         struct dccp_rx_hist_entry *entry = kmem_cache_alloc(hist->dccprxh_slab,
                                                             prio);
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index be0669242069..0b715ceb38b5 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -147,7 +147,7 @@ int dccp_ioctl(struct sock *sk, int cmd, unsigned long arg)
 }
 
 int dccp_setsockopt(struct sock *sk, int level, int optname,
-                    char *optval, int optlen)
+                    char __user *optval, int optlen)
 {
         dccp_pr_debug("entry\n");
 
@@ -158,7 +158,7 @@ int dccp_setsockopt(struct sock *sk, int level, int optname,
 }
 
 int dccp_getsockopt(struct sock *sk, int level, int optname,
-                    char *optval, int *optlen)
+                    char __user *optval, int __user *optlen)
 {
         dccp_pr_debug("entry\n");
 
@@ -439,7 +439,7 @@ void dccp_shutdown(struct sock *sk, int how)
         dccp_pr_debug("entry\n");
 }
 
-struct proto_ops inet_dccp_ops = {
+static struct proto_ops inet_dccp_ops = {
         .family         = PF_INET,
         .owner          = THIS_MODULE,
         .release        = inet_release,
@@ -539,9 +539,11 @@ static int thash_entries;
 module_param(thash_entries, int, 0444);
 MODULE_PARM_DESC(thash_entries, "Number of ehash buckets");
 
+#ifdef CONFIG_IP_DCCP_DEBUG
 int dccp_debug;
 module_param(dccp_debug, int, 0444);
 MODULE_PARM_DESC(dccp_debug, "Enable debug messages");
+#endif
 
 static int __init dccp_init(void)
 {