Thread (9 messages) 9 messages, 2 authors, 2016-06-18
STALE3690d
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[PATCH 5/7] netfilter: nf_tables: fix a wrong check to skip the inactive rules

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2016-06-17 18:25:44
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Liping Zhang <redacted>

nft_genmask_cur has already done left-shift operator on the gencursor,
so there's no need to do left-shift operator on it again.

Fixes: ea4bd995b0f2 ("netfilter: nf_tables: add transaction helper functions")
Cc: Patrick McHardy <redacted>
Signed-off-by: Liping Zhang <redacted>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index e9f8dff..fb8b589 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -143,7 +143,7 @@ next_rule:
 	list_for_each_entry_continue_rcu(rule, &chain->rules, list) {
 
 		/* This rule is not active, skip. */
-		if (unlikely(rule->genmask & (1 << gencursor)))
+		if (unlikely(rule->genmask & gencursor))
 			continue;
 
 		rulenum++;
-- 
2.1.4
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