We double free the misc device string twice on rmmod, fix this. Without this we cannot remove the module without crashing.
Cc: stable@vger.kernel.org # for v4.12 and up Reported-by: Randy Dunlap rdunlap@infradead.org Signed-off-by: Luis Chamberlain mcgrof@kernel.org --- lib/test_kmod.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/lib/test_kmod.c b/lib/test_kmod.c index e3ddd836491f..d82d022111e0 100644 --- a/lib/test_kmod.c +++ b/lib/test_kmod.c @@ -1214,7 +1214,6 @@ void unregister_test_dev_kmod(struct kmod_test_device *test_dev)
dev_info(test_dev->dev, "removing interface\n"); misc_deregister(&test_dev->misc_dev); - kfree(&test_dev->misc_dev.name);
mutex_unlock(&test_dev->config_mutex); mutex_unlock(&test_dev->trigger_mutex);