ASoC: sirf-audio-codec: Fix return value check in sirf_audio_codec_driver_probe()

In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

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

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/codecs/sirf-audio-codec.c b/sound/soc/codecs/sirf-audio-codec.c
index d90cb0fafcb2..06ba4923fd5a 100644
--- a/sound/soc/codecs/sirf-audio-codec.c
+++ b/sound/soc/codecs/sirf-audio-codec.c
@@ -471,8 +471,8 @@ static int sirf_audio_codec_driver_probe(struct platform_device *pdev)
 
         mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         base = devm_ioremap_resource(&pdev->dev, mem_res);
-        if (base == NULL)
-                return -ENOMEM;
+        if (IS_ERR(base))
+                return PTR_ERR(base);
 
         sirf_audio_codec->regmap = devm_regmap_init_mmio(&pdev->dev, base,
                                             &sirf_audio_codec_regmap_config);