Do not overflow the input buffer. This happens on slow hosts that take
long time to recompute the data on start.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/packages@36390 3c298f89-4303-0410-b956-a3cf2f4a3e73
