diff options
| author | Christophe Jaillet <christophe.jaillet@wanadoo.fr> | 2017-06-09 21:27:12 +0200 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2017-06-27 17:34:53 +0800 |
| commit | 4a3bfb5c24306aa129c0de32e5d1ffb553a60a7c (patch) | |
| tree | e713f3d168aedaf5c94265cff2074572b1199936 | |
| parent | afd89636f1846ec2c340de894dac103cd336fcee (diff) | |
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: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 6582e1f56d37..cb32c9369f3a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -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)) { |