Do not set negative values for ratelimits.

diff --git a/src/plugins/lua/ratelimit.lua b/src/plugins/lua/ratelimit.lua
index 0dd9b84049da89b753e0a1c0fb554accf06f8f32..c816e12ca61abc010637a877e900a2096eec8175 100644 (file)
--- a/src/plugins/lua/ratelimit.lua
+++ b/src/plugins/lua/ratelimit.lua
@@ -166,6 +166,9 @@ local function set_limits(task, args)
         
         if bucket > 0 then
           bucket = bucket - rate * (ntime - atime) + 1;
+          if bucket < 0 then
+            bucket = 1
+          end
         else
           bucket = 1
         end