6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx> [ Upstream commit bb0216d4db9ecaa51af45d8504757becbe5c050d ] In case the widget setup fails we should only decrement the core usage count if the sof_widget_free_unlocked() has not been called as part of the error handling. sof_widget_free_unlocked() calls snd_sof_dsp_core_put() and the additional core_put will cause imbalance in core usage count. Use the existing use_count_decremented to handle this issue. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20230914124725.17397-1-peter.ujfalusi@xxxxxxxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- sound/soc/sof/sof-audio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c index e7ef77012c358..e5405f854a910 100644 --- a/sound/soc/sof/sof-audio.c +++ b/sound/soc/sof/sof-audio.c @@ -212,7 +212,8 @@ static int sof_widget_setup_unlocked(struct snd_sof_dev *sdev, sof_widget_free_unlocked(sdev, swidget); use_count_decremented = true; core_put: - snd_sof_dsp_core_put(sdev, swidget->core); + if (!use_count_decremented) + snd_sof_dsp_core_put(sdev, swidget->core); pipe_widget_free: if (swidget->id != snd_soc_dapm_scheduler) sof_widget_free_unlocked(sdev, swidget->spipe->pipe_widget); -- 2.40.1
