Re: [PATCH] drm/panel: himax-hx83121a: Fix incorrect error check for devm_drm_panel_alloc()

[Pengyu Luo]

On Fri, Mar 27, 2026 at 10:18 AM Chen Ni <nic...@iscas.ac.cn> wrote:
>
> Check devm_drm_panel_alloc() return value for ERR_PTR instead of NULL.
> devm_drm_panel_alloc() returns an ERR_PTR on failure, never NULL. Using
> a NULL check skips the error path and may cause a NULL pointer
> dereference.
>
> Fixes: a7c61963b727 ("drm/panel: Add Himax HX83121A panel driver")
> Signed-off-by: Chen Ni <nic...@iscas.ac.cn>

Reviewed-by: Pengyu Luo <mitltlat...@gmail.com>

--
Best wishes,
Pengyu