[PATCH] pinctrl: meson: Drop pinctrl_unregister for devm_ registered device

[Wei Yongjun <weiyj.lk@xxxxxxxxx>]

It's not necessary to unregister pin controller device registered
with devm_pinctrl_register() and using pinctrl_unregister() leads
to a double free.

This is detected by Coccinelle semantic patch.

Signed-off-by: Wei Yongjun <weiyj.lk@xxxxxxxxx>
---
 drivers/pinctrl/meson/pinctrl-meson.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index 11623c6..44e69c9 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -727,13 +727,7 @@ static int meson_pinctrl_probe(struct platform_device *pdev)
 		return PTR_ERR(pc->pcdev);
 	}
 
-	ret = meson_gpiolib_register(pc);
-	if (ret) {
-		pinctrl_unregister(pc->pcdev);
-		return ret;
-	}
-
-	return 0;
+	return meson_gpiolib_register(pc);
 }
 
 static struct platform_driver meson_pinctrl_driver = {

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