linux-kernel - [PATCH] clk: renesas: Fix memory leak of 'cpg'

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Date:   Wed, 13 Apr 2022 16:06:07 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
CC:     Haowen Bai <baihaowen@...zu.com>,
        <linux-renesas-soc@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] clk: renesas: Fix memory leak of 'cpg'

Fix this issue by freeing the cpg when exiting the function in the
error/normal path.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 drivers/clk/renesas/clk-r8a7779.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/renesas/clk-r8a7779.c b/drivers/clk/renesas/clk-r8a7779.c
index 9f3b5522eef5..dd7c67f522fd 100644
--- a/drivers/clk/renesas/clk-r8a7779.c
+++ b/drivers/clk/renesas/clk-r8a7779.c
@@ -170,6 +170,9 @@ static void __init r8a7779_cpg_clocks_init(struct device_node *np)
 	of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data);
 
 	cpg_mstp_add_clk_domain(np);
+	
+	kfree(cpg);
+	kfree(clks);
 }
 CLK_OF_DECLARE(r8a7779_cpg_clks, "renesas,r8a7779-cpg-clocks",
 	       r8a7779_cpg_clocks_init);
-- 
2.7.4