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authorAdrian Bunk <bunk@stusta.de>2007-07-30 18:05:45 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-31 02:28:27 -0700
commit131116989b5c349f9b1ab9ee083d37cc73160ac8 (patch)
tree6b381fc02ec93bd5f02da685124a6ca45c77cd46 /net/unix/af_unix.c
parent1a3a206f7f2aa50545cc3d056405ad7bc3c9bca8 (diff)
[AF_UNIX]: Make code static.
The following code can now become static: - struct unix_socket_table - unix_table_lock Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 65ebccc0a69..a05c34260e7 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -118,14 +118,40 @@
int sysctl_unix_max_dgram_qlen __read_mostly = 10;
-struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
-DEFINE_SPINLOCK(unix_table_lock);
+static struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
+static DEFINE_SPINLOCK(unix_table_lock);
static atomic_t unix_nr_socks = ATOMIC_INIT(0);
#define unix_sockets_unbound (&unix_socket_table[UNIX_HASH_SIZE])
#define UNIX_ABSTRACT(sk) (unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
+static struct sock *first_unix_socket(int *i)
+{
+ for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) {
+ if (!hlist_empty(&unix_socket_table[*i]))
+ return __sk_head(&unix_socket_table[*i]);
+ }
+ return NULL;
+}
+
+static struct sock *next_unix_socket(int *i, struct sock *s)
+{
+ struct sock *next = sk_next(s);
+ /* More in this chain? */
+ if (next)
+ return next;
+ /* Look for next non-empty chain. */
+ for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) {
+ if (!hlist_empty(&unix_socket_table[*i]))
+ return __sk_head(&unix_socket_table[*i]);
+ }
+ return NULL;
+}
+
+#define forall_unix_sockets(i, s) \
+ for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
+
#ifdef CONFIG_SECURITY_NETWORK
static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
{