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authorJulian Anastasov <ja@ssi.bg>2013-09-12 11:21:10 +0300
committerSimon Horman <horms@verge.net.au>2013-09-18 14:40:20 -0500
commitd1ee4fea0b6946dd8bc61b46db35ea80af7af34b (patch)
treea44e72832ed85b3ed661dc6ac93e439abb1bbf72 /net
parent742617b176909e586a4cf9b142c996c25986fce8 (diff)
downloadlinux-d1ee4fea0b6946dd8bc61b46db35ea80af7af34b.tar.bz2
ipvs: stats should not depend on CPU 0
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>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/ipvs/ip_vs_est.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 6bee6d0c73a5..1425e9a924c4 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;