netdev - [patch 11/11] netfilter warning fix

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Date:	Mon, 05 Feb 2007 16:31:11 -0800
From:	akpm@...ux-foundation.org
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, akpm@...ux-foundation.org,
	akpm@...ux-foundation.org, kaber@...sh.net
Subject: [patch 11/11] netfilter warning fix

From: Andrew Morton <akpm@...l.org>

"using smp_processor_id() in preemptible code"

Cc: Patrick McHardy <kaber@...sh.net>
Cc: "David S. Miller" <davem@...emloft.net>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 include/net/netfilter/nf_conntrack.h |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff -puN include/net/netfilter/nf_conntrack.h~netfilter-warning-fix include/net/netfilter/nf_conntrack.h
--- a/include/net/netfilter/nf_conntrack.h~netfilter-warning-fix
+++ a/include/net/netfilter/nf_conntrack.h
@@ -254,7 +254,12 @@ extern atomic_t nf_conntrack_count;
 extern int nf_conntrack_max;
 
 DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
-#define NF_CT_STAT_INC(count) (__get_cpu_var(nf_conntrack_stat).count++)
+#define NF_CT_STAT_INC(count)						\
+	do {								\
+		preempt_disable();					\
+		__get_cpu_var(nf_conntrack_stat).count++;		\
+		preempt_enable();					\
+	} while (0);
 
 /* no helper, no nat */
 #define	NF_CT_F_BASIC	0
_
-
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