From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 25 Oct 2013 09:29:25 +0000 (+0800)
Subject: ASoC: fsl_spdif: fix return value check in fsl_spdif_probe()
X-Git-Tag: firefly_0821_release~176^2~4889^2~33^2~31^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3d8f7318f929f3b84571ffac2ef7bf8bddfb6d41;p=firefly-linux-kernel-4.4.55.git

ASoC: fsl_spdif: fix return value check in fsl_spdif_probe()

In case of error, the function platform_get_resource() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index c0fea02114e1..e1bf5ef31bdd 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -1107,9 +1107,9 @@ static int fsl_spdif_probe(struct platform_device *pdev)
 
 	/* Get the addresses and IRQ */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (IS_ERR(res)) {
+	if (!res) {
 		dev_err(&pdev->dev, "could not determine device resources\n");
-		return PTR_ERR(res);
+		return -ENXIO;
 	}
 
 	regs = devm_ioremap_resource(&pdev->dev, res);