module: Use __module_address() for module_address_lookup()
Use the generic __module_address() addr to struct module lookup
instead of open coding it once more.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/kernel/module.c b/kernel/module.c
index ac3044c..293dfaf 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3671,19 +3671,15 @@
char **modname,
char *namebuf)
{
- struct module *mod;
const char *ret = NULL;
+ struct module *mod;
preempt_disable();
- list_for_each_entry_rcu(mod, &modules, list) {
- if (mod->state == MODULE_STATE_UNFORMED)
- continue;
- if (within_module(addr, mod)) {
- if (modname)
- *modname = mod->name;
- ret = get_ksymbol(mod, addr, size, offset);
- break;
- }
+ mod = __module_address(addr);
+ if (mod) {
+ if (modname)
+ *modname = mod->name;
+ ret = get_ksymbol(mod, addr, size, offset);
}
/* Make a copy in here where it's safe */
if (ret) {
@@ -3691,6 +3687,7 @@
ret = namebuf;
}
preempt_enable();
+
return ret;
}