mtd: Few follow up cleanups for Smartmedia/xD support

* Test results of few functions that were declared with __must_check
* Fix bogus gcc warning about uinitialized variable 'ret'
* Remove unused variable from mtdblock_remove_dev
* Don't use deprecated DMA_32BIT_MASK

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 9307a88e5229..7a616a926ee9 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -654,7 +654,9 @@ int r852_register_nand_device(struct r852_device *dev)
         if (sm_register_device(dev->mtd))
                 goto error2;
 
-        device_create_file(&dev->mtd->dev, &dev_attr_media_type);
+        if (device_create_file(&dev->mtd->dev, &dev_attr_media_type))
+                message("can't create media type sysfs attribute");
+
         dev->card_registred = 1;
         return 0;
 error2:
@@ -838,7 +840,7 @@ int  r852_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 
         pci_set_master(pci_dev);
 
-        error = pci_set_dma_mask(pci_dev, DMA_32BIT_MASK);
+        error = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
         if (error)
                 goto error2;