[PATCH 3/9] ASoC: Intel: bytcr_wm5102: use GFP_KERNEL
Hans de Goede
hdegoede at redhat.com
Fri Feb 11 08:43:09 CET 2022
Hi,
On 2/11/22 01:20, Pierre-Louis Bossart wrote:
>
>
> On 2/10/22 14:42, Julia Lawall wrote:
>> Platform_driver probe functions aren't called with locks held
>> and thus don't need GFP_ATOMIC. Use GFP_KERNEL instead.
>>
>> Problem found with Coccinelle.
>
> Thanks Julia, indeed it's the only case where GFP_ATOMIC is used for
> machine drivers.
>
> This was already present in the initial Android driver from Intel (2013)
> [1] and missed in the multiple passes to get this upstream.
>
> Acked-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Yeah I should have caught this when I upstreamed the machine driver:
Reviewed-by: Hans de Goede <hdegoede at redhat.com>
Regards,
Hans
>
> [1]
> https://github.com/lenovo-yt2-dev/android_kernel_lenovo_baytrail/blob/cm-12.1/sound/soc/intel/board/byt_bl_wm5102.c
>
>>
>> Signed-off-by: Julia Lawall <Julia.Lawall at inria.fr>
>>
>> ---
>> sound/soc/intel/boards/bytcr_wm5102.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c
>> index 504ef4cab111..8d8e96e3cd2d 100644
>> --- a/sound/soc/intel/boards/bytcr_wm5102.c
>> +++ b/sound/soc/intel/boards/bytcr_wm5102.c
>> @@ -389,7 +389,7 @@ static int snd_byt_wm5102_mc_probe(struct platform_device *pdev)
>> bool sof_parent;
>> int ret;
>>
>> - priv = devm_kzalloc(dev, sizeof(*priv), GFP_ATOMIC);
>> + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
>> if (!priv)
>> return -ENOMEM;
>>
>>
>
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