Re: [patch] PM / devfreq: exynos-nocp: Checking for IS_ERR instead of NULL

The platform_get_resource() function returns NULL on error, it never
returns error pointers.

Fixes: 0179a913875a ('PM / devfreq: event: Add new Exynos NoC probe driver')
Signed-off-by: Dan Carpenter <redacted>

diff --git a/drivers/devfreq/event/exynos-nocp.c b/drivers/devfreq/event/exynos-nocp.c
index 6b6a5f3..03b35d5 100644
--- a/drivers/devfreq/event/exynos-nocp.c
+++ b/drivers/devfreq/event/exynos-nocp.c

@@ -220,8 +220,8 @@ static int exynos_nocp_parse_dt(struct platform_device *pdev,
 
 	/* Maps the memory mapped IO to control nocp register */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (IS_ERR(res))
-		return PTR_ERR(res);
+	if (!res)
+		return -ENXIO;
 
 	base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(base))