linux-kernel - [PATCH] pinctrl:sprd: Check if the pinctrl

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Date:   Sun, 30 Apr 2023 12:22:54 +0800
From:   Lizhe <sensor1010@....com>
To:     linus.walleij@...aro.org, orsonzhai@...il.com,
        baolin.wang@...ux.alibaba.com, zhang.lyra@...il.com,
        andriy.shevchenko@...ux.intel.com, sensor1010@....com
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] pinctrl:sprd: Check if the pinctrl_dev still exists

to check if the pinctrl_dev still exists before calling
pinctrl_unregister().

Signed-off-by: Lizhe <sensor1010@....com>
---
 drivers/pinctrl/sprd/pinctrl-sprd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c
index ca9659f4e4b1..6f3369130e8a 100644
--- a/drivers/pinctrl/sprd/pinctrl-sprd.c
+++ b/drivers/pinctrl/sprd/pinctrl-sprd.c
@@ -1115,7 +1115,9 @@ int sprd_pinctrl_remove(struct platform_device *pdev)
 {
 	struct sprd_pinctrl *sprd_pctl = platform_get_drvdata(pdev);
 
-	pinctrl_unregister(sprd_pctl->pctl);
+	if (sprd_pctl->dev)
+		pinctrl_unregister(sprd_pctl->pctl);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(sprd_pinctrl_remove);
-- 
2.34.1