From: Julian Anastasov <ja@xxxxxx>
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@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_est.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 6bee6d0..1425e9a 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -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;
--
1.7.10.4
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