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>

diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index ce9c155bfad7fc85d1abf25ff01eb09813c38d65..02acc7cbdb979db6b755fe72a0b810a5c81b462d 100644 (file)
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -321,7 +321,7 @@ static struct drm_plane **sun8i_layers_init(struct drm_device *drm,
        unsigned int phy_index;
        int i;
 
-       planes = devm_kcalloc(drm->dev, plane_cnt, sizeof(*planes), GFP_KERNEL);
+       planes = devm_kcalloc(drm->dev, plane_cnt + 1, sizeof(*planes), GFP_KERNEL);
        if (!planes)
                return ERR_PTR(-ENOMEM);