Index: sys/net/iflib.c
===================================================================
--- sys/net/iflib.c
+++ sys/net/iflib.c
@@ -2031,6 +2031,12 @@
 		fl->ifl_pidx = idx;
 		fl->ifl_credits = credits;
 	}
+
+	if (__predict_false(n != -1)) {
+		/* don't flush */
+		return (IFLIB_RXEOF_EMPTY);
+	}
+
 	DBG_COUNTER_INC(rxd_flush);
 	if (fl->ifl_pidx == 0)
 		pidx = fl->ifl_size - 1;
@@ -2044,7 +2050,7 @@
 	if (fl->ifl_fragidx == fl->ifl_size)
 		fl->ifl_fragidx = 0;
 
-	return (n == -1 ? 0 : IFLIB_RXEOF_EMPTY);
+	return (0);
 }
 
 static __inline uint8_t