[NET]: Fix sparse warnings

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / unix / af_unix.c

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index c420eba4876b50fd853b816c78f04e5c5f127674..41feca3bef86346f3890f8c428c795ff7316abf5 100644 (file)
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -105,7 +105,7 @@
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <net/sock.h>
-#include <linux/tcp.h>
+#include <net/tcp_states.h>
 #include <net/af_unix.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
@@ -302,7 +302,7 @@ static void unix_write_space(struct sock *sk)
  * may receive messages only from that peer. */
 static void unix_dgram_disconnected(struct sock *sk, struct sock *other)
 {
-       if (skb_queue_len(&sk->sk_receive_queue)) {
+       if (!skb_queue_empty(&sk->sk_receive_queue)) {
                skb_queue_purge(&sk->sk_receive_queue);
                wake_up_interruptible_all(&unix_sk(sk)->peer_wait);
 
@@ -1619,7 +1619,7 @@ static long unix_stream_data_wait(struct sock * sk, long timeo)
        for (;;) {
                prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
 
-               if (skb_queue_len(&sk->sk_receive_queue) ||
+               if (!skb_queue_empty(&sk->sk_receive_queue) ||
                    sk->sk_err ||
                    (sk->sk_shutdown & RCV_SHUTDOWN) ||
                    signal_pending(current) ||
@@ -2026,14 +2026,6 @@ static struct net_proto_family unix_family_ops = {
        .owner  = THIS_MODULE,
 };
 
-#ifdef CONFIG_SYSCTL
-extern void unix_sysctl_register(void);
-extern void unix_sysctl_unregister(void);
-#else
-static inline void unix_sysctl_register(void) {}
-static inline void unix_sysctl_unregister(void) {}
-#endif
-
 static int __init af_unix_init(void)
 {
        int rc = -1;