ALSA: usb-audio: Remove superfluous bLength checks

commit b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a upstream.

Now that we got the more comprehensive validation code for USB-audio
descriptors, the check of overflow in each descriptor unit parser
became superfluous.  Drop some of the obvious cases.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed