diff mbox

[net-next] filter: fix va_list build error

Message ID 1367439848-10854-1-git-send-email-xi.wang@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Xi Wang May 1, 2013, 8:24 p.m. UTC
This patch fixes the following build error.

In file included from include/linux/filter.h:52:0,
                 from arch/arm/net/bpf_jit_32.c:14:
include/linux/printk.h:54:2: error: unknown type name ‘va_list’
include/linux/printk.h:105:21: error: unknown type name ‘va_list’
include/linux/printk.h:108:30: error: unknown type name ‘va_list’

Signed-off-by: Xi Wang <xi.wang@gmail.com>
---
 include/linux/filter.h | 1 +
 1 file changed, 1 insertion(+)

Comments

David Miller May 1, 2013, 8:29 p.m. UTC | #1
From: Xi Wang <xi.wang@gmail.com>

Date: Wed,  1 May 2013 16:24:08 -0400

> This patch fixes the following build error.

> 

> In file included from include/linux/filter.h:52:0,

>                  from arch/arm/net/bpf_jit_32.c:14:

> include/linux/printk.h:54:2: error: unknown type name ‘va_list’

> include/linux/printk.h:105:21: error: unknown type name ‘va_list’

> include/linux/printk.h:108:30: error: unknown type name ‘va_list’

> 

> Signed-off-by: Xi Wang <xi.wang@gmail.com>


Applied, thanks.
Daniel Borkmann May 1, 2013, 9:04 p.m. UTC | #2
On 05/01/2013 10:24 PM, Xi Wang wrote:
> This patch fixes the following build error.
>
> In file included from include/linux/filter.h:52:0,
>                   from arch/arm/net/bpf_jit_32.c:14:
> include/linux/printk.h:54:2: error: unknown type name ‘va_list’
> include/linux/printk.h:105:21: error: unknown type name ‘va_list’
> include/linux/printk.h:108:30: error: unknown type name ‘va_list’
>
> Signed-off-by: Xi Wang <xi.wang@gmail.com>
> ---
>   include/linux/filter.h | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/filter.h b/include/linux/filter.h
> index d1248f4..c050dcc 100644
> --- a/include/linux/filter.h
> +++ b/include/linux/filter.h
> @@ -48,6 +48,7 @@ extern int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
>   extern int sk_get_filter(struct sock *sk, struct sock_filter __user *filter, unsigned len);
>
>   #ifdef CONFIG_BPF_JIT
> +#include <stdarg.h>
>   #include <linux/linkage.h>
>   #include <linux/printk.h>

That's a bit weird. Xi, maybe in a follow-up some time later, could
you move the GCC-internal stdarg.h rather into linux/printk.h, since
that's where the problem is coming from? Imho, it might be better off
there, no?
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Xi Wang May 1, 2013, 10:29 p.m. UTC | #3
On Wed, May 1, 2013 at 5:04 PM, Daniel Borkmann <dborkman@redhat.com> wrote:
> That's a bit weird. Xi, maybe in a follow-up some time later, could
> you move the GCC-internal stdarg.h rather into linux/printk.h, since
> that's where the problem is coming from? Imho, it might be better off
> there, no?

There was some discussion a while ago on whether to make printk.h self
contained or to disallow including it directly.  Joe Perches [CCed]
had patches for that.

https://lkml.org/lkml/2011/5/25/263

- xi
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diff mbox

Patch

diff --git a/include/linux/filter.h b/include/linux/filter.h
index d1248f4..c050dcc 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -48,6 +48,7 @@  extern int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
 extern int sk_get_filter(struct sock *sk, struct sock_filter __user *filter, unsigned len);
 
 #ifdef CONFIG_BPF_JIT
+#include <stdarg.h>
 #include <linux/linkage.h>
 #include <linux/printk.h>