* [Patch] string: do not export memweight() to userspace
@ 2012-08-06 12:29 Cong Wang
2012-08-06 12:40 ` Akinobu Mita
0 siblings, 1 reply; 2+ messages in thread
From: Cong Wang @ 2012-08-06 12:29 UTC (permalink / raw)
To: linux-kernel
Cc: Andrew Morton, WANG Cong, Akinobu Mita, Joern Engel,
Christoph Lameter, Pekka Enberg
From: WANG Cong <xiyou.wangcong@gmail.com>
This patch fixes the following warning:
usr/include/linux/string.h:8: userspace cannot reference function or variable defined in the kernel
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
---
diff --git a/include/linux/string.h b/include/linux/string.h
index ffe0442..b917881 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -144,8 +144,8 @@ static inline bool strstarts(const char *str, const char *prefix)
{
return strncmp(str, prefix, strlen(prefix)) == 0;
}
-#endif
extern size_t memweight(const void *ptr, size_t bytes);
+#endif /* __KERNEL__ */
#endif /* _LINUX_STRING_H_ */
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [Patch] string: do not export memweight() to userspace
2012-08-06 12:29 [Patch] string: do not export memweight() to userspace Cong Wang
@ 2012-08-06 12:40 ` Akinobu Mita
0 siblings, 0 replies; 2+ messages in thread
From: Akinobu Mita @ 2012-08-06 12:40 UTC (permalink / raw)
To: Cong Wang
Cc: linux-kernel, Andrew Morton, WANG Cong, Joern Engel,
Christoph Lameter, Pekka Enberg
2012/8/6 Cong Wang <amwang@redhat.com>:
> From: WANG Cong <xiyou.wangcong@gmail.com>
>
> This patch fixes the following warning:
>
> usr/include/linux/string.h:8: userspace cannot reference function or variable defined in the kernel
Thanks for finding this problem.
Looks good to me.
> Cc: Akinobu Mita <akinobu.mita@gmail.com>
> Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
>
> ---
> diff --git a/include/linux/string.h b/include/linux/string.h
> index ffe0442..b917881 100644
> --- a/include/linux/string.h
> +++ b/include/linux/string.h
> @@ -144,8 +144,8 @@ static inline bool strstarts(const char *str, const char *prefix)
> {
> return strncmp(str, prefix, strlen(prefix)) == 0;
> }
> -#endif
>
> extern size_t memweight(const void *ptr, size_t bytes);
>
> +#endif /* __KERNEL__ */
> #endif /* _LINUX_STRING_H_ */
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-08-06 12:29 [Patch] string: do not export memweight() to userspace Cong Wang
2012-08-06 12:40 ` Akinobu Mita
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