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[net-next,v2,2/4] pie: remove unnecessary type casting

Message ID 20200304185602.2540-3-lesliemonis@gmail.com
State Accepted
Delegated to: David Miller
Headers show
Series pie: minor improvements | expand

Commit Message

Leslie Monis March 4, 2020, 6:56 p.m. UTC 
In function pie_calculate_probability(), the variables alpha and
beta are of type u64. The variables qdelay, qdelay_old and
params->target are of type psched_time_t (which is also u64).
The explicit type casting done when calculating the value for
the variable delta is redundant and not required.

Signed-off-by: Mohit P. Tahiliani <tahiliani@nitk.edu.in>
Signed-off-by: Gautam Ramakrishnan <gautamramk@gmail.com>
Signed-off-by: Leslie Monis <lesliemonis@gmail.com>
---
 net/sched/sch_pie.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index 8a2f9f11c86f..198cfa34a00a 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -363,8 +363,8 @@  void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars,
 	}
 
 	/* alpha and beta should be between 0 and 32, in multiples of 1/16 */
-	delta += alpha * (u64)(qdelay - params->target);
-	delta += beta * (u64)(qdelay - qdelay_old);
+	delta += alpha * (qdelay - params->target);
+	delta += beta * (qdelay - qdelay_old);
 
 	oldprob = vars->prob;