Commit d55d282e authored Dec 12, 2013 by Yang Yingliang Committed by David S. Miller Dec 11, 2013

sch_tbf: use do_div() for 64-bit divide



It's doing a 64-bit divide which is not supported
on 32-bit architectures in psched_ns_t2l(). The
correct way to do this is to use do_div().

It's introduced by commit cc106e44
("net: sched: tbf: fix the calculation of max_size")

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 97502231

net/sched/sch_tbf.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -131,8 +131,10 @@ static u64 psched_ns_t2l(const struct psched_ratecfg *r,

		do_div(len, NSEC_PER_SEC);

		if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
		len = (len / 53) * 48;
		if (unlikely(r->linklayer == TC_LINKLAYER_ATM)) {
		do_div(len, 53);
		len = len * 48;
		}

		if (len > r->overhead)
		len -= r->overhead;

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