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,
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
On Tue, 06 Aug 2019 08:13:06 +0200,
Wenwen Wang wrote:
>
> In add_new_ctl(), a mixer element structure is allocated through kzalloc()
> and the pointer is saved to 'elem'. Later on, a new alsa control element is
> created and added to this structure. In case the add process fails, i.e.,
> the
In add_new_ctl(), a mixer element structure is allocated through kzalloc()
and the pointer is saved to 'elem'. Later on, a new alsa control element is
created and added to this structure. In case the add process fails, i.e.,
the return value of snd_usb_mixer_add_control() is less than 0, the
On Sat, 27 Apr 2019 08:06:46 +0200,
Wenwen Wang wrote:
>
> In parse_audio_selector_unit(), the string array 'namelist' is allocated
> through kmalloc_array(), and each string pointer in this array, i.e.,
> 'namelist[]', is allocated through kmalloc() in the following for loop.
> Then, a control
In parse_audio_selector_unit(), the string array 'namelist' is allocated
through kmalloc_array(), and each string pointer in this array, i.e.,
'namelist[]', is allocated through kmalloc() in the following for loop.
Then, a control instance 'kctl' is created by invoking snd_ctl_new1(). If
an error
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