USB: aiptek.c: remove err() usage

err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
CC: Jesper Juhl <jj@chaosbits.net>
CC: JJ Ding <dgdunix@gmail.com>
CC: Edwin van Vliet <edwin@cheatah.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 205d16a..b8d43eb 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -811,8 +811,9 @@
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval != 0) {
-		err("%s - usb_submit_urb failed with result %d",
-		    __func__, retval);
+		dev_err(&aiptek->usbdev->dev,
+			"%s - usb_submit_urb failed with result %d\n",
+			__func__, retval);
 	}
 }