[PATCH] ALSA: pci/asihpi: Fix memory leak in snd_card_asihpi_capture_open()

dinghao.liu at zju.edu.cn dinghao.liu at zju.edu.cn
Thu Aug 13 08:39:19 CEST 2020


> On Mon, 10 Aug 2020 08:39:55 +0200,
> Dinghao Liu wrote:
> > 
> > When snd_pcm_hw_constraint_pow2() fails, dpcm should be freed
> > just like when hpi_instream_open()  fails.
> 
> It will be cleaned up via runtime->private_free call in the caller
> side (snd_pcm_open -> snd_pcm_release_substream ->
> snd_pcm_detach_substream), hence this would result in double-free.
> 

It's clear to me, thanks!

Regards,
Dinghao


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