We properly computed the capped mask size to be put to the application
buffer, but didn't actually used it. Also, we need to return the capped mask
size instead of 0 on success.
Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: NLaurent Vivier <laurent@vivier.eu>
Message-Id: <20180211174704.27441-1-samuel.thibault@ens-lyon.org>
Signed-off-by: NLaurent Vivier <laurent@vivier.eu>