Re: [PATCH] kobject: Suppress compiler warning with gcc 3.x

From: Eric Dumazet
Date: Thu Jun 03 2010 - 01:32:02 EST


Le jeudi 03 juin 2010 Ã 14:23 +0900, Tetsuo Handa a Ãcrit :
> Gcc 3.x generates a warning
>
> include/linux/sysfs.h:183: warning: parameter has incomplete type
>
> on each file.
> Suppress the warning by moving the definition of "enum kobj_ns_type"
> to before "#include <linux/sysfs.h>".
>
> Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>


I was about to submit same patch, but I was also reverting 27eabc7cb4b3
(sysfs: Don't use enums in inline function declaration.)

So that sysfs_exit_ns() prototype is consistent regardless of
CONFIG_SYSFS

What do you think ?


> ---
> include/linux/kobject.h | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> --- linux-2.6.35-rc1.orig/include/linux/kobject.h
> +++ linux-2.6.35-rc1/include/linux/kobject.h
> @@ -16,6 +16,16 @@
> #ifndef _KOBJECT_H_
> #define _KOBJECT_H_
>
> +/*
> + * Namespace types which are used to tag kobjects and sysfs entries.
> + * Network namespace will likely be the first.
> + */
> +enum kobj_ns_type {
> + KOBJ_NS_TYPE_NONE = 0,
> + KOBJ_NS_TYPE_NET,
> + KOBJ_NS_TYPES
> +};
> +
> #include <linux/types.h>
> #include <linux/list.h>
> #include <linux/sysfs.h>
> @@ -136,16 +146,6 @@ struct kobj_attribute {
>
> extern const struct sysfs_ops kobj_sysfs_ops;
>
> -/*
> - * Namespace types which are used to tag kobjects and sysfs entries.
> - * Network namespace will likely be the first.
> - */
> -enum kobj_ns_type {
> - KOBJ_NS_TYPE_NONE = 0,
> - KOBJ_NS_TYPE_NET,
> - KOBJ_NS_TYPES
> -};
> -
> struct sock;
>
> /*


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