> … >> +free_dbidev: >> + kfree(dbidev); > … > > I became curious if there is a need for such a memory release at another place. I have taken another look also at a related implementation detail. Now I have realised that the desired clean-up should usually be achieved by the callback function “mipi_dbi_release” for this software module. https://elixir.bootlin.com/linux/v5.4-rc2/source/drivers/gpu/drm/drm_mipi_dbi.c#L581 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/drm_mipi_dbi.c?id=0365fb6baeb1ebefbbdad9e3f48bab9b3ccb8df3#n581 Regards, Markus
