ASoC: Intel: Fix check for pdata usage before dereference.

[deliverable/linux.git] / sound / soc / intel / sst-haswell-pcm.c

diff --git a/sound/soc/intel/sst-haswell-pcm.c b/sound/soc/intel/sst-haswell-pcm.c
index 8c6bd33dd375aa063a460c060608bd9cc2ab3dea..9d5f64a583a388bd501973c32ae3d5d086d6acc6 100644 (file)
--- a/sound/soc/intel/sst-haswell-pcm.c
+++ b/sound/soc/intel/sst-haswell-pcm.c
@@ -772,12 +772,14 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform)
 {
        struct sst_pdata *pdata = dev_get_platdata(platform->dev);
        struct hsw_priv_data *priv_data;
-       struct device *dma_dev = pdata->dma_dev;
+       struct device *dma_dev;
        int i, ret = 0;
 
        if (!pdata)
                return -ENODEV;
 
+       dma_dev = pdata->dma_dev;
+
        priv_data = devm_kzalloc(platform->dev, sizeof(*priv_data), GFP_KERNEL);
        priv_data->hsw = pdata->dsp;
        snd_soc_platform_set_drvdata(platform, priv_data);