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[pandora-kernel.git] / lib / kobject.c

diff --git a/lib/kobject.c b/lib/kobject.c
index 0d03252..718e510 100644 (file)
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -58,11 +58,6 @@ static int create_dir(struct kobject *kobj)
        return error;
 }
 
-static inline struct kobject *to_kobj(struct list_head *entry)
-{
-       return container_of(entry, struct kobject, entry);
-}
-
 static int get_kobj_path_length(struct kobject *kobj)
 {
        int length = 1;
@@ -95,7 +90,7 @@ static void fill_kobj_path(struct kobject *kobj, char *path, int length)
        }
 
        pr_debug("kobject: '%s' (%p): %s: path = '%s'\n", kobject_name(kobj),
-                kobj, __FUNCTION__, path);
+                kobj, __func__, path);
 }
 
 /**
@@ -186,7 +181,7 @@ static int kobject_add_internal(struct kobject *kobj)
        }
 
        pr_debug("kobject: '%s' (%p): %s: parent: '%s', set: '%s'\n",
-                kobject_name(kobj), kobj, __FUNCTION__,
+                kobject_name(kobj), kobj, __func__,
                 parent ? kobject_name(parent) : "<NULL>",
                 kobj->kset ? kobject_name(&kobj->kset->kobj) : "<NULL>");
 
@@ -201,10 +196,10 @@ static int kobject_add_internal(struct kobject *kobj)
                        printk(KERN_ERR "%s failed for %s with "
                               "-EEXIST, don't try to register things with "
                               "the same name in the same directory.\n",
-                              __FUNCTION__, kobject_name(kobj));
+                              __func__, kobject_name(kobj));
                else
                        printk(KERN_ERR "%s failed for %s (%d)\n",
-                              __FUNCTION__, kobject_name(kobj), error);
+                              __func__, kobject_name(kobj), error);
                dump_stack();
        } else
                kobj->state_in_sysfs = 1;
@@ -221,21 +216,12 @@ static int kobject_add_internal(struct kobject *kobj)
 static int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
                                  va_list vargs)
 {
-       va_list aq;
-       char *name;
-
-       va_copy(aq, vargs);
-       name = kvasprintf(GFP_KERNEL, fmt, vargs);
-       va_end(aq);
-
-       if (!name)
-               return -ENOMEM;
-
        /* Free the old name, if necessary. */
        kfree(kobj->name);
 
-       /* Now, set the new name */
-       kobj->name = name;
+       kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
+       if (!kobj->name)
+               return -ENOMEM;
 
        return 0;
 }
@@ -251,12 +237,12 @@ static int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
  */
 int kobject_set_name(struct kobject *kobj, const char *fmt, ...)
 {
-       va_list args;
+       va_list vargs;
        int retval;
 
-       va_start(args, fmt);
-       retval = kobject_set_name_vargs(kobj, fmt, args);
-       va_end(args);
+       va_start(vargs, fmt);
+       retval = kobject_set_name_vargs(kobj, fmt, vargs);
+       va_end(vargs);
 
        return retval;
 }
@@ -306,12 +292,9 @@ EXPORT_SYMBOL(kobject_init);
 static int kobject_add_varg(struct kobject *kobj, struct kobject *parent,
                            const char *fmt, va_list vargs)
 {
-       va_list aq;
        int retval;
 
-       va_copy(aq, vargs);
-       retval = kobject_set_name_vargs(kobj, fmt, aq);
-       va_end(aq);
+       retval = kobject_set_name_vargs(kobj, fmt, vargs);
        if (retval) {
                printk(KERN_ERR "kobject: can not set name properly!\n");
                return retval;
@@ -545,7 +528,7 @@ static void kobject_cleanup(struct kobject *kobj)
        const char *name = kobj->name;
 
        pr_debug("kobject: '%s' (%p): %s\n",
-                kobject_name(kobj), kobj, __FUNCTION__);
+                kobject_name(kobj), kobj, __func__);
 
        if (t && !t->release)
                pr_debug("kobject: '%s' (%p): does not have a release() "
@@ -592,13 +575,20 @@ static void kobject_release(struct kref *kref)
  */
 void kobject_put(struct kobject *kobj)
 {
-       if (kobj)
+       if (kobj) {
+               if (!kobj->state_initialized) {
+                       printk(KERN_WARNING "kobject: '%s' (%p): is not "
+                              "initialized, yet kobject_put() is being "
+                              "called.\n", kobject_name(kobj), kobj);
+                       WARN_ON(1);
+               }
                kref_put(&kobj->kref, kobject_release);
+       }
 }
 
 static void dynamic_kobj_release(struct kobject *kobj)
 {
-       pr_debug("kobject: (%p): %s\n", kobj, __FUNCTION__);
+       pr_debug("kobject: (%p): %s\n", kobj, __func__);
        kfree(kobj);
 }
 
@@ -655,7 +645,7 @@ struct kobject *kobject_create_and_add(const char *name, struct kobject *parent)
        retval = kobject_add(kobj, parent, "%s", name);
        if (retval) {
                printk(KERN_WARNING "%s: kobject_add error: %d\n",
-                      __FUNCTION__, retval);
+                      __func__, retval);
                kobject_put(kobj);
                kobj = NULL;
        }
@@ -745,12 +735,11 @@ void kset_unregister(struct kset *k)
  */
 struct kobject *kset_find_obj(struct kset *kset, const char *name)
 {
-       struct list_head *entry;
+       struct kobject *k;
        struct kobject *ret = NULL;
 
        spin_lock(&kset->list_lock);
-       list_for_each(entry, &kset->list) {
-               struct kobject *k = to_kobj(entry);
+       list_for_each_entry(k, &kset->list, entry) {
                if (kobject_name(k) && !strcmp(kobject_name(k), name)) {
                        ret = kobject_get(k);
                        break;
@@ -764,7 +753,7 @@ static void kset_release(struct kobject *kobj)
 {
        struct kset *kset = container_of(kobj, struct kset, kobj);
        pr_debug("kobject: '%s' (%p): %s\n",
-                kobject_name(kobj), kobj, __FUNCTION__);
+                kobject_name(kobj), kobj, __func__);
        kfree(kset);
 }