]> err.no Git - linux-2.6/blobdiff - net/core/sock.c
[POWERPC] CPM: Rename commproc to cpm1 and cpm2_common.c to cpm2.c
[linux-2.6] / net / core / sock.c
index e077f263b730246bad8e2fb4967828960abeb361..c519b439b8b1927acf2e01209417747d5ebe7cb4 100644 (file)
@@ -1819,23 +1819,48 @@ static int inuse_get(const struct proto *prot)
                res += per_cpu_ptr(prot->inuse_ptr, cpu)[0];
        return res;
 }
-#endif
 
-int proto_register(struct proto *prot, int alloc_slab)
+static int inuse_init(struct proto *prot)
 {
-       char *request_sock_slab_name = NULL;
-       char *timewait_sock_slab_name;
-       int rc = -ENOBUFS;
-
-#ifdef CONFIG_SMP
        if (!prot->inuse_getval || !prot->inuse_add) {
                prot->inuse_ptr = alloc_percpu(int);
                if (prot->inuse_ptr == NULL)
-                       goto out;
+                       return -ENOBUFS;
+
                prot->inuse_getval = inuse_get;
                prot->inuse_add = inuse_add;
        }
+       return 0;
+}
+
+static void inuse_fini(struct proto *prot)
+{
+       if (prot->inuse_ptr != NULL) {
+               free_percpu(prot->inuse_ptr);
+               prot->inuse_ptr = NULL;
+               prot->inuse_getval = NULL;
+               prot->inuse_add = NULL;
+       }
+}
+#else
+static inline int inuse_init(struct proto *prot)
+{
+       return 0;
+}
+
+static inline void inuse_fini(struct proto *prot)
+{
+}
 #endif
+
+int proto_register(struct proto *prot, int alloc_slab)
+{
+       char *request_sock_slab_name = NULL;
+       char *timewait_sock_slab_name;
+
+       if (inuse_init(prot))
+               goto out;
+
        if (alloc_slab) {
                prot->slab = kmem_cache_create(prot->name, prot->obj_size, 0,
                                               SLAB_HWCACHE_ALIGN, NULL);
@@ -1887,9 +1912,8 @@ int proto_register(struct proto *prot, int alloc_slab)
        write_lock(&proto_list_lock);
        list_add(&prot->node, &proto_list);
        write_unlock(&proto_list_lock);
-       rc = 0;
-out:
-       return rc;
+       return 0;
+
 out_free_timewait_sock_slab_name:
        kfree(timewait_sock_slab_name);
 out_free_request_sock_slab:
@@ -1903,15 +1927,9 @@ out_free_sock_slab:
        kmem_cache_destroy(prot->slab);
        prot->slab = NULL;
 out_free_inuse:
-#ifdef CONFIG_SMP
-       if (prot->inuse_ptr != NULL) {
-               free_percpu(prot->inuse_ptr);
-               prot->inuse_ptr = NULL;
-               prot->inuse_getval = NULL;
-               prot->inuse_add = NULL;
-       }
-#endif
-       goto out;
+       inuse_fini(prot);
+out:
+       return -ENOBUFS;
 }
 
 EXPORT_SYMBOL(proto_register);
@@ -1922,14 +1940,7 @@ void proto_unregister(struct proto *prot)
        list_del(&prot->node);
        write_unlock(&proto_list_lock);
 
-#ifdef CONFIG_SMP
-       if (prot->inuse_ptr != NULL) {
-               free_percpu(prot->inuse_ptr);
-               prot->inuse_ptr = NULL;
-               prot->inuse_getval = NULL;
-               prot->inuse_add = NULL;
-       }
-#endif
+       inuse_fini(prot);
        if (prot->slab != NULL) {
                kmem_cache_destroy(prot->slab);
                prot->slab = NULL;
@@ -2086,7 +2097,3 @@ EXPORT_SYMBOL(sock_wmalloc);
 EXPORT_SYMBOL(sock_i_uid);
 EXPORT_SYMBOL(sock_i_ino);
 EXPORT_SYMBOL(sysctl_optmem_max);
-#ifdef CONFIG_SYSCTL
-EXPORT_SYMBOL(sysctl_rmem_max);
-EXPORT_SYMBOL(sysctl_wmem_max);
-#endif