usb: misc: adutux: don't print on ENOMEM

All kmalloc-based functions print enough information on failures.
Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/misc/adutux.c

@@ -672,8 +672,7 @@ static int adu_probe(struct usb_interface *interface,
 
 	/* allocate memory for our device state and initialize it */
 	dev = kzalloc(sizeof(struct adu_device), GFP_KERNEL);
-	if (dev == NULL) {
-		dev_err(&interface->dev, "Out of memory\n");
+	if (!dev) {
 		retval = -ENOMEM;
 		goto exit;
 	}
@@ -710,7 +709,6 @@ static int adu_probe(struct usb_interface *interface,
 
 	dev->read_buffer_primary = kmalloc((4 * in_end_size), GFP_KERNEL);
 	if (!dev->read_buffer_primary) {
-		dev_err(&interface->dev, "Couldn't allocate read_buffer_primary\n");
 		retval = -ENOMEM;
 		goto error;
 	}
@@ -723,7 +721,6 @@ static int adu_probe(struct usb_interface *interface,
 
 	dev->read_buffer_secondary = kmalloc((4 * in_end_size), GFP_KERNEL);
 	if (!dev->read_buffer_secondary) {
-		dev_err(&interface->dev, "Couldn't allocate read_buffer_secondary\n");
 		retval = -ENOMEM;
 		goto error;
 	}
@@ -735,10 +732,8 @@ static int adu_probe(struct usb_interface *interface,
 	memset(dev->read_buffer_secondary + (3 * in_end_size), 'h', in_end_size);
 
 	dev->interrupt_in_buffer = kmalloc(in_end_size, GFP_KERNEL);
-	if (!dev->interrupt_in_buffer) {
-		dev_err(&interface->dev, "Couldn't allocate interrupt_in_buffer\n");
+	if (!dev->interrupt_in_buffer)
 		goto error;
-	}
 
 	/* debug code prime the buffer */
 	memset(dev->interrupt_in_buffer, 'i', in_end_size);
@@ -747,10 +742,8 @@ static int adu_probe(struct usb_interface *interface,
 	if (!dev->interrupt_in_urb)
 		goto error;
 	dev->interrupt_out_buffer = kmalloc(out_end_size, GFP_KERNEL);
-	if (!dev->interrupt_out_buffer) {
-		dev_err(&interface->dev, "Couldn't allocate interrupt_out_buffer\n");
+	if (!dev->interrupt_out_buffer)
 		goto error;
-	}
 	dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!dev->interrupt_out_urb)
 		goto error;