On Fri, 08 May 2026 09:04:40 +0200, Albert Esteve wrote: > This series converts 9 remaining panel drivers from the deprecated > devm_kzalloc() + drm_panel_init() pattern to the refcounted > devm_drm_panel_alloc() API. This follows the work by Anusha Srivatsa > who introduced the refcounted panel allocation infrastructure [1] and > converted a first batch of drivers [2] (the last part of a 5 sub-series). > > Reasoning: > ---------- > The old allocation pattern is unsafe: when the panel device is > unbound, devm frees the context struct immediately, but the DRM > device may still hold a reference to the embedded drm_panel through > the panel bridge, leading to a use-after-free. devm_drm_panel_alloc() > wraps the allocation in a kref scheme, so the memory is only freed > when the last reference is dropped. > > [...]
Applied to misc/kernel.git (drm-misc-next). Thanks! Maxime
