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drm/sun4i: mixer: Fix layer init code

Code refactoring dropped extra NULL sentinel entry at the end of the drm
planes array.

Add it back.

Reported-by: Chen-Yu Tsai <wens@kernel.org>
Closes: https://lore.kernel.org/linux-sunxi/CAGb2v65wY2pF6sR+0JgnpLa4ysvjght5hAKDa1RUyo=zEKXreg@mail.gmail.com/
Fixes: 4fa45b04a47d ("drm/sun4i: layer: move num of planes calc out of layer code")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Link: https://patch.msgid.link/20260218183454.7881-1-jernej.skrabec@gmail.com
[wens@kernel.org: Fix "Fixes" commit hash]
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

authored by

Jernej Skrabec and committed by
Chen-Yu Tsai 74462990 571cc835

+1 -1
+1 -1
drivers/gpu/drm/sun4i/sun8i_mixer.c
··· 321 321 unsigned int phy_index; 322 322 int i; 323 323 324 - planes = devm_kcalloc(drm->dev, plane_cnt, sizeof(*planes), GFP_KERNEL); 324 + planes = devm_kcalloc(drm->dev, plane_cnt + 1, sizeof(*planes), GFP_KERNEL); 325 325 if (!planes) 326 326 return ERR_PTR(-ENOMEM); 327 327