linux-kernel - [PATCH 1/2] clk: imx8mm: Unregister clks when of_clk_add

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Date:   Tue,  6 Aug 2019 14:46:13 +0800
From:   Anson.Huang@....com
To:     mturquette@...libre.com, sboyd@...nel.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        abel.vesa@....com, peng.fan@....com, leonard.crestez@....com,
        ping.bai@....com, jun.li@....com, chen.fang@....com,
        agx@...xcpu.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 1/2] clk: imx8mm: Unregister clks when of_clk_add_provider failed

From: Anson Huang <Anson.Huang@....com>

When of_clk_add_provider failed, all clks should be unregistered.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/clk/imx/clk-imx8mm.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index e494e99..49ad761 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -661,12 +661,17 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
 	ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 	if (ret < 0) {
 		pr_err("failed to register clks for i.MX8MM\n");
-		return -EINVAL;
+		goto unregister_clks;
 	}
 
 	imx_register_uart_clocks(uart_clks);
 
 	return 0;
+
+unregister_clks:
+	imx_unregister_clocks(clks, ARRAY_SIZE(clks));
+
+	return ret;
 }
 
 static const struct of_device_id imx8mm_clk_of_match[] = {
-- 
2.7.4