[POWERPC] Enable PURR sysfs entry correctly

[powerpc.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index 99c022a..2a19cd4 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -16,7 +16,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/moduleloader.h>
 #include <linux/init.h>
@@ -1122,6 +1121,9 @@ static void free_module(struct module *mod)
        if (mod->percpu)
                percpu_modfree(mod->percpu);
 
+       /* Free lock-classes: */
+       lockdep_free_key_range(mod->module_core, mod->core_size);
+
        /* Finally, free the core (containing the module structure) */
        module_free(mod, mod->module_core);
 }
@@ -2017,10 +2019,8 @@ const char *module_address_lookup(unsigned long addr,
        return NULL;
 }
 
-struct module *module_get_kallsym(unsigned int symnum,
-                                 unsigned long *value,
-                                 char *type,
-                                 char namebuf[128])
+struct module *module_get_kallsym(unsigned int symnum, unsigned long *value,
+                               char *type, char *name, size_t namelen)
 {
        struct module *mod;
 
@@ -2029,9 +2029,8 @@ struct module *module_get_kallsym(unsigned int symnum,
                if (symnum < mod->num_symtab) {
                        *value = mod->symtab[symnum].st_value;
                        *type = mod->symtab[symnum].st_info;
-                       strncpy(namebuf,
-                               mod->strtab + mod->symtab[symnum].st_name,
-                               127);
+                       strlcpy(name, mod->strtab + mod->symtab[symnum].st_name,
+                               namelen);
                        mutex_unlock(&module_mutex);
                        return mod;
                }
@@ -2160,6 +2159,29 @@ const struct exception_table_entry *search_module_extables(unsigned long addr)
        return e;
 }
 
+/*
+ * Is this a valid module address?
+ */
+int is_module_address(unsigned long addr)
+{
+       unsigned long flags;
+       struct module *mod;
+
+       spin_lock_irqsave(&modlist_lock, flags);
+
+       list_for_each_entry(mod, &modules, list) {
+               if (within(addr, mod->module_core, mod->core_size)) {
+                       spin_unlock_irqrestore(&modlist_lock, flags);
+                       return 1;
+               }
+       }
+
+       spin_unlock_irqrestore(&modlist_lock, flags);
+
+       return 0;
+}
+
+
 /* Is this a valid kernel address?  We don't grab the lock: we are oopsing. */
 struct module *__module_text_address(unsigned long addr)
 {