ASoC: SOF: Fix potential NULL pointer dereference

Cleanup path for sof_prepare_widgets_in_path() should check if unprepare
callback exists before calling it, instead it checks if it does not
exist. Fix the check.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220602135757.3335351-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Amadeusz Sławiński 2022-06-02 15:57:57 +02:00 committed by Mark Brown
parent 07551992cd
commit 2fe08216fd
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@ -318,7 +318,7 @@ sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget
p->walking = false;
if (ret < 0) {
/* unprepare the source widget */
if (!widget_ops[widget->id].ipc_unprepare && swidget->prepared) {
if (widget_ops[widget->id].ipc_unprepare && swidget->prepared) {
widget_ops[widget->id].ipc_unprepare(swidget);
swidget->prepared = false;
}