tipc: convert tipc_nametbl_size type from variable to macro

There is nothing changing this variable dynamically, so change
it to a macro to make that more obvious when reading the code.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 360c478..4ebdcc9 100644 (file)
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -41,7 +41,7 @@
 #include "subscr.h"
 #include "port.h"
 
-static int tipc_nametbl_size = 1024;           /* must be a power of 2 */
+#define TIPC_NAMETBL_SIZE 1024         /* must be a power of 2 */
 
 /**
  * struct name_info - name sequence publication info
@@ -114,7 +114,7 @@ DEFINE_RWLOCK(tipc_nametbl_lock);
 
 static int hash(int x)
 {
-       return x & (tipc_nametbl_size - 1);
+       return x & (TIPC_NAMETBL_SIZE - 1);
 }
 
 /**
@@ -871,7 +871,7 @@ static int nametbl_list(char *buf, int len, u32 depth_info,
                ret += nametbl_header(buf, len, depth);
                lowbound = 0;
                upbound = ~0;
-               for (i = 0; i < tipc_nametbl_size; i++) {
+               for (i = 0; i < TIPC_NAMETBL_SIZE; i++) {
                        seq_head = &table.types[i];
                        hlist_for_each_entry(seq, seq_node, seq_head, ns_list) {
                                ret += nameseq_list(seq, buf + ret, len - ret,
@@ -935,7 +935,7 @@ struct sk_buff *tipc_nametbl_get(const void *req_tlv_area, int req_tlv_space)
 
 int tipc_nametbl_init(void)
 {
-       table.types = kcalloc(tipc_nametbl_size, sizeof(struct hlist_head),
+       table.types = kcalloc(TIPC_NAMETBL_SIZE, sizeof(struct hlist_head),
                              GFP_ATOMIC);
        if (!table.types)
                return -ENOMEM;
@@ -953,7 +953,7 @@ void tipc_nametbl_stop(void)
 
        /* Verify name table is empty, then release it */
        write_lock_bh(&tipc_nametbl_lock);
-       for (i = 0; i < tipc_nametbl_size; i++) {
+       for (i = 0; i < TIPC_NAMETBL_SIZE; i++) {
                if (hlist_empty(&table.types[i]))
                        continue;
                pr_err("nametbl_stop(): orphaned hash chain detected\n");