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-rw-r--r--include/net/red.h2
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)
212 * Seems, it is the best solution to 212 * Seems, it is the best solution to
213 * problem of too coarse exponent tabulation. 213 * problem of too coarse exponent tabulation.
214 */ 214 */
215 us_idle = (p->qavg * us_idle) >> p->Scell_log; 215 us_idle = (p->qavg * (u64)us_idle) >> p->Scell_log;
216 216
217 if (us_idle < (p->qavg >> 1)) 217 if (us_idle < (p->qavg >> 1))
218 return p->qavg - us_idle; 218 return p->qavg - us_idle;