b43legacy: properly fix a bogus gcc warning

[pandora-kernel.git] / kernel / params.c

diff --git a/kernel/params.c b/kernel/params.c
index 16f269e..67f65ee 100644 (file)
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -472,7 +472,7 @@ param_sysfs_setup(struct module_kobject *mk,
                        sizeof(mp->grp.attrs[0]));
        size[1] = (valid_attrs + 1) * sizeof(mp->grp.attrs[0]);
 
-       mp = kmalloc(size[0] + size[1], GFP_KERNEL);
+       mp = kzalloc(size[0] + size[1], GFP_KERNEL);
        if (!mp)
                return ERR_PTR(-ENOMEM);
 
@@ -560,11 +560,10 @@ static void __init kernel_param_sysfs_setup(const char *name,
        BUG_ON(!mk);
 
        mk->mod = THIS_MODULE;
-       kobj_set_kset_s(mk, module_subsys);
-       kobject_set_name(&mk->kobj, name);
-       kobject_init(&mk->kobj);
-       ret = kobject_add(&mk->kobj);
+       mk->kobj.kset = module_kset;
+       ret = kobject_init_and_add(&mk->kobj, &module_ktype, NULL, "%s", name);
        if (ret) {
+               kobject_put(&mk->kobj);
                printk(KERN_ERR "Module '%s' failed to be added to sysfs, "
                      "error number %d\n", name, ret);
                printk(KERN_ERR "The system will be unstable now.\n");
@@ -592,19 +591,16 @@ static void __init param_sysfs_builtin(void)
 
        for (i=0; i < __stop___param - __start___param; i++) {
                char *dot;
-               size_t kplen;
+               size_t max_name_len;
 
                kp = &__start___param[i];
-               kplen = strlen(kp->name);
+               max_name_len =
+                       min_t(size_t, MAX_KBUILD_MODNAME, strlen(kp->name));
 
-               /* We do not handle args without periods. */
-               if (kplen > MAX_KBUILD_MODNAME) {
-                       DEBUGP("kernel parameter name is too long: %s\n", kp->name);
-                       continue;
-               }
-               dot = memchr(kp->name, '.', kplen);
+               dot = memchr(kp->name, '.', max_name_len);
                if (!dot) {
-                       DEBUGP("couldn't find period in %s\n", kp->name);
+                       DEBUGP("couldn't find period in first %d characters "
+                              "of %s\n", MAX_KBUILD_MODNAME, kp->name);
                        continue;
                }
                name_len = dot - kp->name;
@@ -682,8 +678,6 @@ static struct sysfs_ops module_sysfs_ops = {
        .store = module_attr_store,
 };
 
-static struct kobj_type module_ktype;
-
 static int uevent_filter(struct kset *kset, struct kobject *kobj)
 {
        struct kobj_type *ktype = get_ktype(kobj);
@@ -697,10 +691,10 @@ static struct kset_uevent_ops module_uevent_ops = {
        .filter = uevent_filter,
 };
 
-decl_subsys(module, &module_ktype, &module_uevent_ops);
+struct kset *module_kset;
 int module_sysfs_initialized;
 
-static struct kobj_type module_ktype = {
+struct kobj_type module_ktype = {
        .sysfs_ops =    &module_sysfs_ops,
 };
 
@@ -709,13 +703,11 @@ static struct kobj_type module_ktype = {
  */
 static int __init param_sysfs_init(void)
 {
-       int ret;
-
-       ret = subsystem_register(&module_subsys);
-       if (ret < 0) {
-               printk(KERN_WARNING "%s (%d): subsystem_register error: %d\n",
-                       __FILE__, __LINE__, ret);
-               return ret;
+       module_kset = kset_create_and_add("module", &module_uevent_ops, NULL);
+       if (!module_kset) {
+               printk(KERN_WARNING "%s (%d): error creating kset\n",
+                       __FILE__, __LINE__);
+               return -ENOMEM;
        }
        module_sysfs_initialized = 1;
 
@@ -725,14 +717,7 @@ static int __init param_sysfs_init(void)
 }
 subsys_initcall(param_sysfs_init);
 
-#else
-#if 0
-static struct sysfs_ops module_sysfs_ops = {
-       .show = NULL,
-       .store = NULL,
-};
-#endif
-#endif
+#endif /* CONFIG_SYSFS */
 
 EXPORT_SYMBOL(param_set_byte);
 EXPORT_SYMBOL(param_get_byte);