diff --git a/[refs] b/[refs]
index 3c6e85a5eac4..6298e2e2bd93 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 30a584d944fbd599d4a8f470f75bf7af1a15b466
+refs/heads/master: c4c0ce5c57ef0ca47a4428a14de6b5c8cdf8de8a
diff --git a/trunk/include/net/red.h b/trunk/include/net/red.h
index 5ccdbb3d4722..a4eb37946f2c 100644
--- a/trunk/include/net/red.h
+++ b/trunk/include/net/red.h
@@ -212,7 +212,7 @@ static inline unsigned long red_calc_qavg_from_idle_time(struct red_parms *p)
 		 * Seems, it is the best solution to
 		 * problem of too coarse exponent tabulation.
 		 */
-		us_idle = (p->qavg * us_idle) >> p->Scell_log;
+		us_idle = (p->qavg * (u64)us_idle) >> p->Scell_log;
 
 		if (us_idle < (p->qavg >> 1))
 			return p->qavg - us_idle;