Use dev->class_dev for all dev_{level} messages.

Remove the unnecessary error message for a kmemdup() failure.

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/comedi/drivers/usbduxsigma.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c 
b/drivers/staging/comedi/drivers/usbduxsigma.c
index 88224d6..6c9f67c 100644
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -502,7 +502,6 @@ static int usbduxsigma_firmware_upload(struct comedi_device 
*dev,
                                       unsigned long context)
 {
        struct usb_device *usb = comedi_to_usb_dev(dev);
-       struct usbduxsigma_private *usbduxsub = dev->private;
        uint8_t *buf;
        uint8_t *tmp;
        int ret;
@@ -511,18 +510,14 @@ static int usbduxsigma_firmware_upload(struct 
comedi_device *dev,
                return 0;
 
        if (size > FIRMWARE_MAX_LEN) {
-               dev_err(&usbduxsub->interface->dev,
-                       "usbduxsigma firmware binary it too large for FX2.\n");
+               dev_err(dev->class_dev, "firmware binary too large for FX2\n");
                return -ENOMEM;
        }
 
        /* we generate a local buffer for the firmware */
        buf = kmemdup(data, size, GFP_KERNEL);
-       if (!buf) {
-               dev_err(&usbduxsub->interface->dev,
-                       "comedi_: mem alloc for firmware failed\n");
+       if (!buf)
                return -ENOMEM;
-       }
 
        /* we need a malloc'ed buffer for usb_control_msg() */
        tmp = kmalloc(1, GFP_KERNEL);
@@ -540,8 +535,7 @@ static int usbduxsigma_firmware_upload(struct comedi_device 
*dev,
                              tmp, 1,
                              BULK_TIMEOUT);
        if (ret < 0) {
-               dev_err(&usbduxsub->interface->dev,
-                       "comedi_: can not stop firmware\n");
+               dev_err(dev->class_dev, "can not stop firmware\n");
                goto done;
        }
 
@@ -553,8 +547,7 @@ static int usbduxsigma_firmware_upload(struct comedi_device 
*dev,
                              buf, size,
                              BULK_TIMEOUT);
        if (ret < 0) {
-               dev_err(&usbduxsub->interface->dev,
-                       "comedi_: firmware upload failed\n");
+               dev_err(dev->class_dev, "firmware upload failed\n");
                goto done;
        }
 
@@ -567,8 +560,7 @@ static int usbduxsigma_firmware_upload(struct comedi_device 
*dev,
                              tmp, 1,
                              BULK_TIMEOUT);
        if (ret < 0)
-               dev_err(&usbduxsub->interface->dev,
-                       "comedi_: can not start firmware\n");
+               dev_err(dev->class_dev, "can not start firmware\n");
 
 done:
        kfree(tmp);
-- 
1.8.1.4

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