1 files changed, 1 insertions, 1 deletions

diff --git a/include/net/red.h b/include/net/red.h
index 5ccdbb3d4722..a4eb37946f2c 100644
--- a/include/net/red.h
+++ b/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;