[NETFILTER]: nf_conntrack: remove ASSERT_{READ,WRITE}_LOCK

Remove the usage of ASSERT_READ_LOCK/ASSERT_WRITE_LOCK in nf_conntrack,
it didn't do anything, it was just an empty define and it uglified the code.
Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>

net/netfilter/nf_conntrack_core.c

@@ -47,11 +47,6 @@
 #include <linux/netdevice.h>
 #include <linux/socket.h>
 
-/* This rwlock protects the main hash table, protocol/helper/expected
-   registrations, conntrack timers*/
-#define ASSERT_READ_LOCK(x)
-#define ASSERT_WRITE_LOCK(x)
-
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
@@ -292,7 +287,6 @@ static void
 clean_from_lists(struct nf_conn *ct)
 {
 	DEBUGP("clean_from_lists(%p)\n", ct);
-	ASSERT_WRITE_LOCK(&nf_conntrack_lock);
 	list_del(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list);
 	list_del(&ct->tuplehash[IP_CT_DIR_REPLY].list);
 
@@ -371,7 +365,6 @@ __nf_conntrack_find(const struct nf_conntrack_tuple *tuple,
 	struct nf_conntrack_tuple_hash *h;
 	unsigned int hash = hash_conntrack(tuple);
 
-	ASSERT_READ_LOCK(&nf_conntrack_lock);
 	list_for_each_entry(h, &nf_conntrack_hash[hash], list) {
 		if (nf_ct_tuplehash_to_ctrack(h) != ignored_conntrack &&
 		    nf_ct_tuple_equal(tuple, &h->tuple)) {

net/netfilter/nf_conntrack_standalone.c

@@ -29,9 +29,6 @@
 #include <linux/sysctl.h>
 #endif
 
-#define ASSERT_READ_LOCK(x)
-#define ASSERT_WRITE_LOCK(x)
-
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_core.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
@@ -137,7 +134,6 @@ static int ct_seq_show(struct seq_file *s, void *v)
 	struct nf_conntrack_l3proto *l3proto;
 	struct nf_conntrack_l4proto *l4proto;
 
-	ASSERT_READ_LOCK(&nf_conntrack_lock);
 	NF_CT_ASSERT(conntrack);
 
 	/* we only want to print DIR_ORIGINAL */