On Mon, 28 Oct 2019 10:00:21 +0100, Markus Elfring wrote: > > > The code path is after snd_device_new() which has its own destructor callback. > > Thanks for your reminder. > > Can the properties of this programming interface be documented also together > with the function declaration for the safer handling of ALSA components? > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/sound/kernel-api/writing-an-alsa-driver.rst?id=d6d5df1db6e9d7f8f76d2911707f7d5877251b02#n567 I can think of only adding some comment at each point mentioning that the resource will be managed by the device destructor. > Can any more API information help to improve automatic source code analysis > around similar functions? If anything we can add, let me know. Takashi