CDC-ACM: heed quirk also in error handling

commit 97fe8099 upstream.

If buffers are iterated over in the error case, the lower limits
for quirky devices must be heeded.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de>
Fixes: a4e7279c ("cdc-acm: introduce a cool down")
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200526124420.22160-1-oneukum@suse.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>