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 --- sound/soc/intel/sst-mfld-platform-pcm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c index dbff2965a6e3..8dd1c0f6773f 100644 --- a/sound/soc/intel/sst-mfld-platform-pcm.c +++ b/sound/soc/intel/sst-mfld-platform-pcm.c @@ -694,7 +694,7 @@ 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) { @@ -702,6 +702,12 @@ 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;