linux-kernel - [PATCH v1] clk:clk-imx8-acm:fix wrong pointer check in clk_imx_acm_attach_pm

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Message-Id: <20240820025902.2355565-1-liyuesong@vivo.com>
Date: Tue, 20 Aug 2024 10:59:02 +0800
From: Yuesong Li <liyuesong@...o.com>
To: abelvesa@...nel.org,
	mturquette@...libre.com,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	sboyd@...nel.org
Cc: peng.fan@....com,
	kernel@...gutronix.de,
	festevam@...il.com,
	shengjiu.wang@....com,
	linux-clk@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	opensource.kernel@...o.com,
	Yuesong Li <liyuesong@...o.com>
Subject: [PATCH v1] clk:clk-imx8-acm:fix wrong pointer check in clk_imx_acm_attach_pm_domains()

device_link_add() returns NULL pointer not PTR_ERR() when it fails,so
replace the IS_ERR() check with NULL pointer check.

Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Signed-off-by: Yuesong Li <liyuesong@...o.com>
---
 drivers/clk/imx/clk-imx8-acm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index 1bdb480cc96c..ed8cad8d6a57 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -289,7 +289,7 @@ static int clk_imx_acm_attach_pm_domains(struct device *dev,
 							 DL_FLAG_STATELESS |
 							 DL_FLAG_PM_RUNTIME |
 							 DL_FLAG_RPM_ACTIVE);
-		if (IS_ERR(dev_pm->pd_dev_link[i])) {
+		if (!dev_pm->pd_dev_link[i]) {
 			dev_pm_domain_detach(dev_pm->pd_dev[i], false);
 			ret = PTR_ERR(dev_pm->pd_dev_link[i]);
 			goto detach_pm;
-- 
2.34.1