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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Hannemann <arnd@arndnet.de>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-wireless@vger.kernel.org
Subject: Re: [PATCH] net: b43legacy: fix compile error
Date: Mon, 25 Oct 2010 17:51:45 +0200	[thread overview]
Message-ID: <1288021905.2826.142.camel@edumazet-laptop> (raw)
In-Reply-To: <4CC5A301.1080606@lwfinger.net>

Le lundi 25 octobre 2010 à 10:32 -0500, Larry Finger a écrit :
> On 10/25/2010 09:41 AM, Arnd Hannemann wrote:
> > On todays linus tree the following compile error happened to me:
> > 
> >   CC [M]  drivers/net/wireless/b43legacy/xmit.o
> > In file included from include/net/dst.h:11,
> >                  from drivers/net/wireless/b43legacy/xmit.c:31:
> > include/net/dst_ops.h:28: error: expected ':', ',', ';', '}' or '__attribute__' before '____cacheline_aligned_in_smp'
> > include/net/dst_ops.h: In function 'dst_entries_get_fast':
> > include/net/dst_ops.h:33: error: 'struct dst_ops' has no member named 'pcpuc_entries'
> > include/net/dst_ops.h: In function 'dst_entries_get_slow':
> > include/net/dst_ops.h:41: error: 'struct dst_ops' has no member named 'pcpuc_entries'
> > include/net/dst_ops.h: In function 'dst_entries_add':
> > include/net/dst_ops.h:49: error: 'struct dst_ops' has no member named 'pcpuc_entries'
> > include/net/dst_ops.h: In function 'dst_entries_init':
> > include/net/dst_ops.h:55: error: 'struct dst_ops' has no member named 'pcpuc_entries'
> > include/net/dst_ops.h: In function 'dst_entries_destroy':
> > include/net/dst_ops.h:60: error: 'struct dst_ops' has no member named 'pcpuc_entries'
> > make[4]: *** [drivers/net/wireless/b43legacy/xmit.o] Error 1
> > make[3]: *** [drivers/net/wireless/b43legacy] Error 2
> > make[2]: *** [drivers/net/wireless] Error 2
> > make[1]: *** [drivers/net] Error 2
> > make: *** [drivers] Error 2
> > 
> > This patch fixes this issue by adding "linux/cache.h" as an include to
> > "include/net/dst_ops.h".
> 
> Strange. Compiling b43legacy from the linux-2.6.git tree (git describe is
> v2.6.36-4464-g229aebb) works fine on x86_64. I wonder what is different.

Well, x86_64 must include cache.h, this is probably why I missed it in
my build tests.

I wonder also why #include <net/dst.h> is needed at all in this
driver...

diff --git a/drivers/net/wireless/b43legacy/xmit.c
b/drivers/net/wireless/b43legacy/xmit.c
index 7d177d9..a261aec 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -28,8 +28,6 @@
 
 */
 
-#include <net/dst.h>
-
 #include "xmit.h"
 #include "phy.h"
 #include "dma.h"

  reply	other threads:[~2010-10-25 15:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-25 14:41 [PATCH] net: b43legacy: fix compile error Arnd Hannemann
2010-10-25 15:32 ` Larry Finger
2010-10-25 15:51   ` Eric Dumazet [this message]
2010-10-25 18:11     ` Larry Finger
2010-10-25 19:56       ` Eric Dumazet
2010-10-25 18:26   ` Arnd Hannemann
2010-10-25 18:36     ` Larry Finger
2010-10-25 18:44       ` Arnd Hannemann
     [not found]         ` <4CC5D01C.20804-BCMAnToX5e2ELgA04lAiVw@public.gmane.org>
2010-10-25 18:59           ` Larry Finger
     [not found]             ` <4CC5D3A7.3080709-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2010-10-25 20:13               ` Arnd Hannemann
     [not found]                 ` <4CC5E4D2.6080606-BCMAnToX5e2ELgA04lAiVw@public.gmane.org>
2010-11-11 16:35                   ` John W. Linville
2010-11-11 17:06                     ` Larry Finger
2010-11-11 17:07                       ` John W. Linville

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