[alsa-devel] [PATCH] ALSA: usb-audio: fix a memory leak bug

Takashi Iwai tiwai at suse.de
Tue Aug 6 12:47:20 CEST 2019


On Tue, 06 Aug 2019 09:00:27 +0200,
Wenwen Wang wrote:
> 
> In snd_usb_get_audioformat_uac3(), a structure for channel maps 'chmap' is
> allocated through kzalloc() before the execution goto 'found_clock'.
> However, this structure is not deallocated if the memory allocation for
> 'pd' fails, leading to a memory leak bug.
> 
> To fix the above issue, free 'fp->chmap' before returning NULL.
> 
> Signed-off-by: Wenwen Wang <wenwen at cs.uga.edu>

Applied, thanks.


Takashi


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