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ipvs: stats should not depend on CPU 0

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When reading percpu stats we need to properly reset
the sum when CPU 0 is not present in the possible mask.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Julian Anastasov 2013-09-12 11:21:10 +03:00 committed by Simon Horman
parent 742617b176
commit d1ee4fea0b
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/ipvs/ip_vs_est.c
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@ -59,12 +59,13 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum,
struct ip_vs_cpu_stats __percpu *stats)
{
int i;
bool add = false;
for_each_possible_cpu(i) {
struct ip_vs_cpu_stats *s = per_cpu_ptr(stats, i);
unsigned int start;
__u64 inbytes, outbytes;
if (i) {
if (add) {
sum->conns += s->ustats.conns;
sum->inpkts += s->ustats.inpkts;
sum->outpkts += s->ustats.outpkts;
@ -76,6 +77,7 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum,
sum->inbytes += inbytes;
sum->outbytes += outbytes;
} else {
add = true;
sum->conns = s->ustats.conns;
sum->inpkts = s->ustats.inpkts;
sum->outpkts = s->ustats.outpkts;