7 Aug
2019
7 Aug
'19
7:31 a.m.
On Wed, 07 Aug 2019 05:22:09 +0200, Wenwen Wang wrote:
In __snd_usbmidi_create(), a MIDI streaming interface structure is allocated through kzalloc() and the pointer is saved to 'umidi'. Later on, the endpoint structures are created by invoking snd_usbmidi_create_endpoints_midiman() or snd_usbmidi_create_endpoints(), depending on the type of the audio quirk type. However, if the creation fails, the allocated 'umidi' is not deallocated, leading to a memory leak bug.
To fix the above issue, free 'umidi' before returning the error.
Signed-off-by: Wenwen Wang wenwen@cs.uga.edu
It's again a false-positive report. The object is released automatically by the destructor of its base snd_rawmidi object.
thanks,
Takashi