[PATCH] net: b43legacy: fix compile error

[Arnd Hannemann]

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".

Signed-off-by: Arnd Hannemann <arnd@xxxxxxxxxx>
---
 include/net/dst_ops.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 1fa5306..51665b3 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -2,6 +2,7 @@
 #define _NET_DST_OPS_H
 #include <linux/types.h>
 #include <linux/percpu_counter.h>
+#include <linux/cache.h>
 
 struct dst_entry;
 struct kmem_cachep;
-- 
1.7.0.4

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