]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
greybus: audio: gb_manager: Use valid argument while removing ida allocated id.
authorVaibhav Agarwal <vaibhav.agarwal@linaro.org>
Tue, 17 May 2016 16:59:08 +0000 (22:29 +0530)
committerGreg Kroah-Hartman <gregkh@google.com>
Wed, 18 May 2016 23:33:31 +0000 (16:33 -0700)
module->id is used as an argument to ida_simple_remove(). Since module
is already dereferenced, module->id might contain invalid data. So fix
this.

Fixes: da4cc2d0b066 ("audio:gb_manager: Use proper locking around kobject_xxx")
Signed-off-by: Vaibhav Agarwal <vaibhav.agarwal@linaro.org>
Reviewed-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
drivers/staging/greybus/audio_manager.c

index 9def014cd47c7f152770dc63fc908687597316ef..aa6508b44fab27f805bcd629c8815a9d0b8bf413 100644 (file)
@@ -76,7 +76,7 @@ int gb_audio_manager_remove(int id)
        list_del(&module->list);
        kobject_put(&module->kobj);
        up_write(&modules_rwsem);
-       ida_simple_remove(&module_id, module->id);
+       ida_simple_remove(&module_id, id);
        return 0;
 }
 EXPORT_SYMBOL_GPL(gb_audio_manager_remove);