Hi,

On 15/04/2020 15:45, Laurent Pinchart wrote:

+static void tidss_crtc_destroy(struct drm_crtc *crtc)
+{
+       struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
+
+       drm_crtc_cleanup(crtc);
+       kfree(tcrtc);

I would personally store the CRTC pointers, or embed the CRTC instances
in the tidss_device structure, and free everything in the top-level
tidss_release() handler, to avoid spreading the release code all around
the driver. Same for planes and encoders. It may be a matter of personal
taste though, but it would allow dropping the kfree() calls in
individual error paths and centralize them in a single place if you
store the allocated pointer in tidss_device right after allocation.

This seemed the easiest way to fix this for 5.7-rcs, without doing too many changes all around that might cause conflicts. The allocs and frees are close to each other, in the same files, although there's repetition of course.

 Tomi

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