summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/mediatek
diff options
context:
space:
mode:
authorJavier Carrasco <javier.carrasco.cruz@gmail.com>2024-10-11 21:21:52 +0200
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2024-11-04 12:23:15 +0000
commitfd620fc25d88a1e490eaa9f72bc31962be1b4741 (patch)
tree53d7462620988ee29171d4a69d87eb56c758853a /drivers/gpu/drm/mediatek
parentf708e8b4cfd16e5c8cd8d7fcfcb2fb2c6ed93af3 (diff)
drm/mediatek: Switch to for_each_child_of_node_scoped()
Introduce the scoped variant of the loop to automatically release the child node when it goes out of scope, which is more robust than the non-scoped variant, and accounts for new early exits that could be added in the future. Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com> Reviewed-by: CK Hu <ck.hu@mediatek.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://patchwork.kernel.org/project/dri-devel/patch/20241011-mtk_drm_drv_memleak-v1-2-2b40c74c8d75@gmail.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index d7fc4f66b1c4..04680a607763 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -372,12 +372,11 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev)
struct mtk_drm_private *temp_drm_priv;
struct device_node *phandle = dev->parent->of_node;
const struct of_device_id *of_id;
- struct device_node *node;
struct device *drm_dev;
unsigned int cnt = 0;
int i, j;
- for_each_child_of_node(phandle->parent, node) {
+ for_each_child_of_node_scoped(phandle->parent, node) {
struct platform_device *pdev;
of_id = of_match_node(mtk_drm_of_ids, node);
@@ -406,10 +405,8 @@ static bool mtk_drm_get_all_drm_priv(struct device *dev)
if (temp_drm_priv->mtk_drm_bound)
cnt++;
- if (cnt == MAX_CRTC) {
- of_node_put(node);
+ if (cnt == MAX_CRTC)
break;
- }
}
if (drm_priv->data->mmsys_dev_num == cnt) {