ASoC: Intel: mfld-pcm: Allocate platform data

Platform data may be null during platform_device_add. Allocate platform
data before using.

Signed-off-by: Subhransu S. Prusty <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>

diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index 47df05ed3ac3ccd60bcec06efa2569b2c470ca78..706212a6a68c4c9d873da9d68cf057396ee38bfc 100644 (file)
--- a/sound/soc/intel/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/sst-mfld-platform-pcm.c
@@ -570,7 +570,7 @@ static int sst_platform_probe(struct platform_device *pdev)
 {
        struct sst_data *drv;
        int ret;
-       struct sst_platform_data *pdata = pdev->dev.platform_data;
+       struct sst_platform_data *pdata;
 
        drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
        if (drv == NULL) {
@@ -578,6 +578,12 @@ static int sst_platform_probe(struct platform_device *pdev)
                return -ENOMEM;
        }
 
+       pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+       if (pdata == NULL) {
+               pr_err("kzalloc failed for pdata\n");
+               return -ENOMEM;
+       }
+
        pdata->pdev_strm_map = dpcm_strm_map;
        pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map);
        drv->pdata = pdata;