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__gnet_stats_copy_basic() always assigns the value to the bstats argument overwriting the previous value. The later added per-CPU version always accumulated the values in the returning gnet_stats_basic_packed argument. Based on review there are five users of that function as of today: - est_fetch_counters(), ___gnet_stats_copy_basic() memsets() bstats to zero, single invocation. - mq_dump(), mqprio_dump(), mqprio_dump_class_stats() memsets() bstats to zero, multiple invocation but does not use the function due to !qdisc_is_percpu_stats(). Add the values in __gnet_stats_copy_basic() instead overwriting. Rename the function to gnet_stats_add_basic() to make it more obvious. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>