ASoC: Intel: avoid format string leak to thread name
This makes sure a format string can never get processed into the worker
thread name from the device name.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c
index e7996b3..a8fd60c 100644
--- a/sound/soc/intel/sst-haswell-ipc.c
+++ b/sound/soc/intel/sst-haswell-ipc.c
@@ -1735,7 +1735,7 @@
/* start the IPC message thread */
init_kthread_worker(&hsw->kworker);
hsw->tx_thread = kthread_run(kthread_worker_fn,
- &hsw->kworker,
+ &hsw->kworker, "%s",
dev_name(hsw->dev));
if (IS_ERR(hsw->tx_thread)) {
ret = PTR_ERR(hsw->tx_thread);