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Commit 4a3bfb5c authored by Christophe Jaillet's avatar Christophe Jaillet Committed by CK Hu
Browse files

drm/mediatek: check for memory allocation failure 



If 'devm_kmalloc_array' returns NULL, we should return -ENOMEM as already
done a few lines above instead of deferencing a NULL pointer a few lines
below.

Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: default avatarCK Hu <ck.hu@mediatek.com>
parent afd89636

drivers/gpu/drm/mediatek/mtk_drm_crtc.c

+2 −0
Original line number Diff line number Diff line
@@ -559,6 +559,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, 
	mtk_crtc->ddp_comp = devm_kmalloc_array(dev, mtk_crtc->ddp_comp_nr,

						sizeof(*mtk_crtc->ddp_comp),

						GFP_KERNEL);

	if (!mtk_crtc->ddp_comp)

		return -ENOMEM;



	mtk_crtc->mutex = mtk_disp_mutex_get(priv->mutex_dev, pipe);

	if (IS_ERR(mtk_crtc->mutex)) {