X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fmodule.c;h=35e1b1f859d715053376e638c35ec5569ca51053;hb=4b301536694facb93f597281580f5ad907d36050;hp=281172f01e9a032c6285ce6a43c2f8d97c42aa75;hpb=71bc7bf045262e82c645cad48fd56dd17e75344e;p=linux-2.6

diff --git a/kernel/module.c b/kernel/module.c
index 281172f01e..35e1b1f859 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1121,6 +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);
 }
@@ -2159,6 +2162,29 @@ 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)
 {