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Date: Tue, 3 Mar 2015 03:50:22 +0100
From: Florian Westphal <fw@...len.de>
To: <netdev@...r.kernel.org>
Cc: Florian Westphal <fw@...len.de>
Subject: [PATCH] net: bridge: add compile-time assert for cb struct size
make build fail if struct doesn't fit into ->cb storage area.
Signed-off-by: Florian Westphal <fw@...len.de>
---
net/bridge/br.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/bridge/br.c b/net/bridge/br.c
index fb57ab6..9542c53 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -188,8 +188,11 @@ static const struct stp_proto br_stp_proto = {
static int __init br_init(void)
{
+ struct sk_buff *skb;
int err;
+ BUILD_BUG_ON(sizeof(struct br_input_skb_cb) > sizeof(skb->cb));
+
err = stp_proto_register(&br_stp_proto);
if (err < 0) {
pr_err("bridge: can't register sap for STP\n");
--
2.0.5
--
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