From: Xiu Jianfeng <xiujianfeng@huawei.com>
Date: Wed, 23 Nov 2022 03:20:15 +0000 (+0800)
Subject: clk: samsung: Fix memory leak in _samsung_clk_register_pll()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a35323218ff32782d051d2643912311a22e07b6a;p=users%2Fjedix%2Flinux-maple.git

clk: samsung: Fix memory leak in _samsung_clk_register_pll()

[ Upstream commit 5174e5b0d1b669a489524192b6adcbb3c54ebc72 ]

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: 3ff6e0d8d64d ("clk: samsung: Add support to register rate_table for samsung plls")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Link: https://lore.kernel.org/r/20221123032015.63980-1-xiujianfeng@huawei.com
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index fe383471c5f0a..0ff28938943f0 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -1583,6 +1583,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx,
 	if (ret) {
 		pr_err("%s: failed to register pll clock %s : %d\n",
 			__func__, pll_clk->name, ret);
+		kfree(pll->rate_table);
 		kfree(pll);
 		return;
 	}