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clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
author
Xiu Jianfeng
<xiujianfeng@huawei.com>
Wed, 23 Nov 2022 09:12:01 +0000
(17:12 +0800)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:14:11 +0000
(13:14 +0100)
[ Upstream commit
739a6a6bbdb793bd57938cb24aa5a6df89983546
]
If clk_register() fails, @pll->rate_table may have allocated memory by
kmemdup(), so it needs to be freed, otherwise will cause memory leak
issue, this patch fixes it.
Fixes:
90c590254051
("clk: rockchip: add clock type for pll clocks and pll used on rk3066")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Link:
https://lore.kernel.org/r/20221123091201.199819-1-xiujianfeng@huawei.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/clk/rockchip/clk-pll.c
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diff --git
a/drivers/clk/rockchip/clk-pll.c
b/drivers/clk/rockchip/clk-pll.c
index
f7827b3
..
6e5e502
100644
(file)
--- a/
drivers/clk/rockchip/clk-pll.c
+++ b/
drivers/clk/rockchip/clk-pll.c
@@
-981,6
+981,7
@@
struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx,
return mux_clk;
err_pll:
+ kfree(pll->rate_table);
clk_unregister(mux_clk);
mux_clk = pll_clk;
err_mux: