Re: [PATCH v2 0/6] ALSA: Return -ENODEV instead of -EFAULT on module-get failure

[Takashi Iwai]

On Tue, 07 Jul 2026 10:45:00 +0200,
phucduc.bui@xxxxxxxxx wrote:
> 
> From: bui duc phuc <phucduc.bui@xxxxxxxxx>
> 
> Hi all,
> 
> Several ALSA open/allocate paths call try_module_get() on the owning card
> module and return -EFAULT when it fails. However, try_module_get() fails 
> when the module is no longer live (i.e. it is going away), meaning the 
> device is no longer usable.
> This series updates only those paths, making the error code consistent
> with the existing "device unavailable" checks in the same functions.
> Other -EFAULT returns are left unchanged.
> 
> Link v1: 
> https://lore.kernel.org/all/20260706084950.49331-1-phucduc.bui@xxxxxxxxx/
> 
> Changes in v2: 
>  - Update the commit message.
>  - Remove unrelated changes from the "ALSA: control: Return -ENODEV 
>    instead of -EFAULT in snd_ctl_open()" patch. 
> 
> Best regards, 
> Phuc
> 
> bui duc phuc (6):
>   ALSA: control: Return -ENODEV instead of -EFAULT in snd_ctl_open()
>   ALSA: hwdep: Return -ENODEV instead of -EFAULT in snd_hwdep_open()
>   ALSA: info: Return -ENODEV instead of -EFAULT in alloc_info_private()
>   ALSA: mixer: oss: Return -ENODEV instead of -EFAULT in
>     snd_mixer_oss_open()
>   ALSA: pcm: oss: Return -ENODEV instead of -EFAULT in
>     snd_pcm_oss_open()
>   ALSA: pcm: Return -ENODEV instead of -EFAULT in snd_pcm_open()

Applied to for-next branch now.  Thanks.


Takashi