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 <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index 47df05ed3ac3..706212a6a68c 100644
--- 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;