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From f15444796465b2d1514933c20a44417f4a09a2fd Mon Sep 17 00:00:00 2001
From: Loic Prylli <lprylli@netflix.com>
Date: Thu, 12 Sep 2019 14:16:07 -0700
Subject: [PATCH] gpio: aspeed: fix check for pointer return value
If dts does not have a pinctrl passthrough property,
the kernel would oops or misbehave before the fix.
---
drivers/gpio/gpio-aspeed.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index d4aaf7fa8e4b..26f487296365 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -1205,7 +1205,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)
* of the GPIO pins, so they can be requested at runtime.
*/
pinctrl = pinctrl_get_select(&pdev->dev, "pass-through");
- if (pinctrl)
+ if (!IS_ERR(pinctrl))
pinctrl_put(pinctrl);
/*
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