commit 77609e5aca9bc8cd4e9ea960177df1e980b3d040
Author: Patrick McHardy <kaber@xxxxxxxxx>
Date: Fri Jul 3 10:35:55 2009 +0200
netfilter: xt_rateest: fix comparison with self
Upstream commit 4d900f9df:
As noticed by Török Edwin <edwintorok@xxxxxxxxx>:
Compiling the kernel with clang has shown this warning:
net/netfilter/xt_rateest.c:69:16: warning: self-comparison always results in a
constant value
ret &= pps2 == pps2;
^
Looking at the code:
if (info->flags & XT_RATEEST_MATCH_BPS)
ret &= bps1 == bps2;
if (info->flags & XT_RATEEST_MATCH_PPS)
ret &= pps2 == pps2;
Judging from the MATCH_BPS case it seems to be a typo, with the intention of
comparing pps1 with pps2.
http://bugzilla.kernel.org/show_bug.cgi?id=13535
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
diff --git a/net/netfilter/xt_rateest.c b/net/netfilter/xt_rateest.c
index 220a1d5..4fc6a91 100644
--- a/net/netfilter/xt_rateest.c
+++ b/net/netfilter/xt_rateest.c
@@ -66,7 +66,7 @@ xt_rateest_mt(const struct sk_buff *skb, const struct xt_match_param *par)
if (info->flags & XT_RATEEST_MATCH_BPS)
ret &= bps1 == bps2;
if (info->flags & XT_RATEEST_MATCH_PPS)
- ret &= pps2 == pps2;
+ ret &= pps1 == pps2;
break;
}
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