Fixes: sound/soc/intel/skylake/skl-topology.c:3613:13: warning: stack frame size of 1304 bytes in function 'skl_tplg_complete' [-Wframe-larger-than=]
struct snd_ctl_elem_value is 1224 bytes in my configuration.
Heap allocate it, then free it within the current frame.
Signed-off-by: Nick Desaulniers nick.desaulniers@gmail.com --- Changes V1 -> V2: rebased on mainline.
sound/soc/intel/skylake/skl-topology.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index b824086203b9..566d07b4b523 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -3613,10 +3613,15 @@ static int skl_manifest_load(struct snd_soc_component *cmpnt, int index, static void skl_tplg_complete(struct snd_soc_component *component) { struct snd_soc_dobj *dobj; - struct snd_soc_acpi_mach *mach = - dev_get_platdata(component->card->dev); + struct snd_soc_acpi_mach *mach; + struct snd_ctl_elem_value *val; int i;
+ val = kzalloc(sizeof(*val), GFP_KERNEL); + if (!val) + return; + + mach = dev_get_platdata(component->card->dev); list_for_each_entry(dobj, &component->dobj_list, list) { struct snd_kcontrol *kcontrol = dobj->control.kcontrol; struct soc_enum *se; @@ -3632,14 +3637,13 @@ static void skl_tplg_complete(struct snd_soc_component *component) sprintf(chan_text, "c%d", mach->mach_params.dmic_num);
for (i = 0; i < se->items; i++) { - struct snd_ctl_elem_value val = {}; - if (strstr(texts[i], chan_text)) { - val.value.enumerated.item[0] = i; - kcontrol->put(kcontrol, &val); + val->value.enumerated.item[0] = i; + kcontrol->put(kcontrol, val); } } } + kfree(val); }
static struct snd_soc_tplg_ops skl_tplg_ops = {
base-commit: 88fe49249c99de14e543c632a46248d85411ab9e