1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c
index b5d598c3aa71..7cbf2aa9e64f 100644
--- a/drivers/mfd/twl4030-madc.c
+++ b/drivers/mfd/twl4030-madc.c
@@ -510,8 +510,9 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
         u8 ch_msb, ch_lsb;
         int ret;
 
-        if (!req)
+        if (!req || !twl4030_madc)
                 return -EINVAL;
+
         mutex_lock(&twl4030_madc->lock);
         if (req->method < TWL4030_MADC_RT || req->method > TWL4030_MADC_SW2) {
                 ret = -EINVAL;
@@ -706,6 +707,8 @@ static int __devinit twl4030_madc_probe(struct platform_device *pdev)
         if (!madc)
                 return -ENOMEM;
 
+        madc->dev = &pdev->dev;
+
         /*
          * Phoenix provides 2 interrupt lines. The first one is connected to
          * the OMAP. The other one can be connected to the other processor such