Re: [PATCH net-next] netfilter: add ifdef around ctnetlink_proto_size

[David Miller]

From: Pablo Neira Ayuso 
Date: Wed, 15 Nov 2017 18:28:21 +0100

> From: Arnd Bergmann 
> 
> This function is no longer marked 'inline', so we now get a warning
> when it is unused:
> 
> net/netfilter/nf_conntrack_netlink.c:536:15: error: 'ctnetlink_proto_size' 
> defined but not used [-Werror=unused-function]
> 
> We could mark it inline again, mark it __maybe_unused, or add an #ifdef
> around the definition. I'm picking the third approach here since that
> seems to be what the rest of the file has.
> 
> Fixes: 5caaed151a68 ("netfilter: conntrack: don't cache nlattr_tuple_size 
> result in nla_size")
> Signed-off-by: Arnd Bergmann 
> Signed-off-by: Pablo Neira Ayuso 

Applied.
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[PATCH net-next] netfilter: add ifdef around ctnetlink_proto_size

[Pablo Neira Ayuso]

From: Arnd Bergmann 

This function is no longer marked 'inline', so we now get a warning
when it is unused:

net/netfilter/nf_conntrack_netlink.c:536:15: error: 'ctnetlink_proto_size' 
defined but not used [-Werror=unused-function]

We could mark it inline again, mark it __maybe_unused, or add an #ifdef
around the definition. I'm picking the third approach here since that
seems to be what the rest of the file has.

Fixes: 5caaed151a68 ("netfilter: conntrack: don't cache nlattr_tuple_size 
result in nla_size")
Signed-off-by: Arnd Bergmann 
Signed-off-by: Pablo Neira Ayuso 
---
@David: please place this fix into your net-next tree, it is calming
down a compilation warning. Thanks!

 net/netfilter/nf_conntrack_netlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nf_conntrack_netlink.c 
b/net/netfilter/nf_conntrack_netlink.c
index 71a43ed19a0f..96277706b379 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -533,6 +533,7 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 
seq, u32 type,
return -1;
 }
 
+#if defined(CONFIG_NETFILTER_NETLINK_GLUE_CT) || 
defined(CONFIG_NF_CONNTRACK_EVENTS)
 static size_t ctnetlink_proto_size(const struct nf_conn *ct)
 {
const struct nf_conntrack_l3proto *l3proto;
@@ -552,6 +553,7 @@ static size_t ctnetlink_proto_size(const struct nf_conn *ct)
 
return len + len4;
 }
+#endif
 
 static inline size_t ctnetlink_acct_size(const struct nf_conn *ct)
 {
-- 
2.11.0

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Re: [PATCH] [net-next] netfilter: add ifdef around ctnetlink_proto_size

[Pablo Neira Ayuso]

On Tue, Nov 07, 2017 at 03:11:51PM +0100, Arnd Bergmann wrote:
> This function is no longer marked 'inline', so we now get a warning
> when it is unused:
> 
> net/netfilter/nf_conntrack_netlink.c:536:15: error: 'ctnetlink_proto_size' 
> defined but not used [-Werror=unused-function]
> 
> We could mark it inline again, mark it __maybe_unused, or add an #ifdef
> around the definition. I'm picking the third approach here since that
> seems to be what the rest of the file has.

Applied, thanks Arnd.
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[PATCH] [net-next] netfilter: add ifdef around ctnetlink_proto_size

[Arnd Bergmann]

This function is no longer marked 'inline', so we now get a warning
when it is unused:

net/netfilter/nf_conntrack_netlink.c:536:15: error: 'ctnetlink_proto_size' 
defined but not used [-Werror=unused-function]

We could mark it inline again, mark it __maybe_unused, or add an #ifdef
around the definition. I'm picking the third approach here since that
seems to be what the rest of the file has.

Fixes: 5caaed151a68 ("netfilter: conntrack: don't cache nlattr_tuple_size 
result in nla_size")
Signed-off-by: Arnd Bergmann 
---
 net/netfilter/nf_conntrack_netlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nf_conntrack_netlink.c 
b/net/netfilter/nf_conntrack_netlink.c
index 6e0adfefb9ed..59c08997bfdf 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -533,6 +533,7 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 
seq, u32 type,
return -1;
 }
 
+#if defined(CONFIG_NETFILTER_NETLINK_GLUE_CT) || 
defined(CONFIG_NF_CONNTRACK_EVENTS)
 static size_t ctnetlink_proto_size(const struct nf_conn *ct)
 {
const struct nf_conntrack_l3proto *l3proto;
@@ -552,6 +553,7 @@ static size_t ctnetlink_proto_size(const struct nf_conn *ct)
 
return len + len4;
 }
+#endif
 
 static inline size_t ctnetlink_acct_size(const struct nf_conn *ct)
 {
-- 
2.9.0

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