The original patch changed kcontrol_type to a pointer. In some goto cases the pointer is assigned into a struct member as uninitialized and this will cause a runtime error with UBSan even if it isn't a real bug. So initialize the pointer to NULL.
Reported-by: Dan Carpenter dan.carpenter@oracle.com Fixes: d29d41e28eea ("ASoC: topology: Add support for multiple kcontrol types to a widget") Signed-off-by: Jaska Uimonen jaska.uimonen@linux.intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.com --- sound/soc/soc-topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index e71d98d7b116..5e65b72910e9 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1422,7 +1422,7 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, struct snd_soc_dapm_widget template, *widget; struct snd_soc_tplg_ctl_hdr *control_hdr; struct snd_soc_card *card = tplg->comp->card; - unsigned int *kcontrol_type; + unsigned int *kcontrol_type = NULL; struct snd_kcontrol_new *kc; int mixer_count = 0; int bytes_count = 0;