This patch fixes the following checkpatch.pl warning:
WARNING: Prefer [subsystem eg: netdev]_err over printk(KERN_ERR, ...).
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
        rc |= device_create_file(&(bd->pdev->dev), &dev_attr_vpd);
        rc |= device_create_file(&(bd->pdev->dev), &dev_attr_serial_number);
        if (rc)
-               printk(KERN_ERR "DGNC: sysfs device_create_file failed!\n");
+               dev_err(&bd->pdev->dev, "dgnc: sysfs device_create_file failed!\n");
 }