[v3 05/24] clk: mediatek: Fix resource leak in mtk_clk_simple_probe

Chun-Jie Chen chun-jie.chen at mediatek.com
Mon Sep 13 19:16:14 PDT 2021


Release clock data when clock driver probe fail to fix
possible resource leak.

Signed-off-by: Chun-Jie Chen <chun-jie.chen at mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst at chromium.org>
---
 drivers/clk/mediatek/clk-mtk.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index c3d385c0cfcb..74890759e98c 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -314,7 +314,15 @@ int mtk_clk_simple_probe(struct platform_device *pdev)
 
 	r = mtk_clk_register_gates(node, mcd->clks, mcd->num_clks, clk_data);
 	if (r)
-		return r;
+		goto free_data;
 
-	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+	if (r)
+		goto free_data;
+
+	return r;
+
+free_data:
+	mtk_free_clk_data(clk_data);
+	return r;
 }
-- 
2.18.0




More information about the linux-arm-kernel mailing list