net: sched: fix misuse of qcpu->backlog in gnet_stats_add_queue_cpu

commit de64b6b6fb6f369840d171b7c5a9baf31b8b2630 upstream.

In the gnet_stats_add_queue_cpu function, the qstats->qlen statistics
are incorrectly set to qcpu->backlog.

Fixes: 448e163f8b9b ("gen_stats: Add gnet_stats_add_queue()")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20220815030848.276746-1-shaozhengchao@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index a10335b4ba2d0bf55fc5d4bbdf50b88743152f45..c8d137ef5980eaf6e1c3ea10417e096bf2a33849 100644 (file)
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -345,7 +345,7 @@ static void gnet_stats_add_queue_cpu(struct gnet_stats_queue *qstats,
        for_each_possible_cpu(i) {
                const struct gnet_stats_queue *qcpu = per_cpu_ptr(q, i);
 
-               qstats->qlen += qcpu->backlog;
+               qstats->qlen += qcpu->qlen;
                qstats->backlog += qcpu->backlog;
                qstats->drops += qcpu->drops;
                qstats->requeues += qcpu->requeues;