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SubjectRe: [PATCH v2] ASoC: Intel: Skylake: Check the kcontrol against NULL
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On 1/20/21 9:49 AM, Łukasz Majczak wrote:
> Hi Pierre,
>
> Is there anything more to do to get the ACK for this patch?

Adding Cezary and Amadeusz for feedback, I can't pretend having any sort
of knowledge on the Skylake driver internals and topology usage.

> Best regards,
> Lukasz
>
> wt., 12 sty 2021 o 12:34 Łukasz Majczak <lma@semihalf.com> napisał(a):
>>
>> Hi,
>>
>> This is just a kind reminder. Is there anything more required to
>> upstream this patch?
>>
>> Best regards,
>> Lukasz
>>
>>
>> czw., 17 gru 2020 o 14:06 Lukasz Majczak <lma@semihalf.com> napisał(a):
>>>
>>> There is no check for the kcontrol against NULL and in some cases
>>> it causes kernel to crash.
>>>
>>> Fixes: 2d744ecf2b984 ("ASoC: Intel: Skylake: Automatic DMIC format configuration according to information from NHLT")
>>> Cc: <stable@vger.kernel.org> # 5.4+
>>> Signed-off-by: Lukasz Majczak <lma@semihalf.com>
>>> Reviewed-by: Mateusz Gorski <mateusz.gorski@linux.intel.com>
>>> ---
>>> sound/soc/intel/skylake/skl-topology.c | 14 ++++++++++----
>>> 1 file changed, 10 insertions(+), 4 deletions(-)
>>> v1 -> v2: fixed coding style
>>>
>>> diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
>>> index ae466cd592922..8f0bfda7096a9 100644
>>> --- a/sound/soc/intel/skylake/skl-topology.c
>>> +++ b/sound/soc/intel/skylake/skl-topology.c
>>> @@ -3618,12 +3618,18 @@ static void skl_tplg_complete(struct snd_soc_component *component)
>>> int i;
>>>
>>> list_for_each_entry(dobj, &component->dobj_list, list) {
>>> - struct snd_kcontrol *kcontrol = dobj->control.kcontrol;
>>> - struct soc_enum *se =
>>> - (struct soc_enum *)kcontrol->private_value;
>>> - char **texts = dobj->control.dtexts;
>>> + struct snd_kcontrol *kcontrol;
>>> + struct soc_enum *se;
>>> + char **texts;
>>> char chan_text[4];
>>>
>>> + kcontrol = dobj->control.kcontrol;
>>> + if (!kcontrol)
>>> + continue;
>>> +
>>> + se = (struct soc_enum *)kcontrol->private_value;
>>> + texts = dobj->control.dtexts;
>>> +
>>> if (dobj->type != SND_SOC_DOBJ_ENUM ||
>>> dobj->control.kcontrol->put !=
>>> skl_tplg_multi_config_set_dmic)
>>> --
>>> 2.25.1
>>>

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