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Message-ID: <20221122133614.184910-1-xiujianfeng@huawei.com>
Date: Tue, 22 Nov 2022 21:36:14 +0800
From: Xiu Jianfeng <xiujianfeng@...wei.com>
To: <mturquette@...libre.com>, <sboyd@...nel.org>, <windhl@....com>,
<avolmat@...com>, <patrice.chotard@...s.st.com>
CC: <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] clk: st: Fix memory leak in st_of_quadfs_setup()
If st_clk_register_quadfs_pll() fails, @lock should be freed before goto
@err_exit, otherwise will cause meory leak issue, fix it.
Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
drivers/clk/st/clkgen-fsyn.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index d820292a381d..40df1db102a7 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -1020,9 +1020,10 @@ static void __init st_of_quadfs_setup(struct device_node *np,
clk = st_clk_register_quadfs_pll(pll_name, clk_parent_name, datac->data,
reg, lock);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ kfree(lock);
goto err_exit;
- else
+ } else
pr_debug("%s: parent %s rate %u\n",
__clk_get_name(clk),
__clk_get_name(clk_get_parent(clk)),
--
2.17.1
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