mfd: Check t7l66 platform_data pointer

We should check for pdata being not NULL before dereferencing it.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index da6383a934ac..5041d33adf0b 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -318,6 +318,9 @@ static int t7l66xb_probe(struct platform_device *dev)
         struct resource *iomem, *rscr;
         int ret;
 
+        if (pdata == NULL)
+                return -EINVAL;
+
         iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
         if (!iomem)
                 return -EINVAL;