[PKT_SCHED]: Fix range in PSCHED_TDIFF_SAFE to 0..bound

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 7352e455053cc857e70f0cb1e008eb7adabbe011..fcb05a387dbee560d6a0f20b6e8c3c4f1b2d93f1 100644 (file)
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -157,7 +157,8 @@ psched_tod_diff(int delta_sec, int bound)
           case 1: \
                   __delta += 1000000; \
           case 0: \
-                  __delta = abs(__delta); \
+                  if (__delta > bound || __delta < 0) \
+                       __delta = bound; \
           } \
           __delta; \
 })