clk: rockchip: Fix memory leak in rockchip_clk_register_pll()

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: 90c59025 ("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.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
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: 90c59025 ("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.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>
739a6a6b · Xiu Jianfeng · Heiko Stuebner · f1c506d1 · 739a6a6b
Commit 739a6a6b authored Nov 23, 2022 by Xiu Jianfeng Committed by Heiko Stuebner Nov 23, 2022
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drivers/clk/rockchip/clk-pll.c drivers/clk/rockchip/clk-pll.c +1 -0

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--- a/drivers/clk/rockchip/clk-pll.c
+++ b/drivers/clk/rockchip/clk-pll.c
@@ -1197,6 +1197,7 @@ 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: