Re: linux 2.6.23-rc7 - 14 compile warnings

[WANG Cong <xiyou.wangcong@gmail.com>]

On Fri, Sep 21, 2007 at 10:33:56AM +0100, Dave Haywood wrote:
>Contents:
>	ver_linux output
>	Summary of compile warnings
>	Full compile log
>	.config
>
>============================
>
>Linux s1 2.6.23-rc7-g335fb8fc #9 SMP Fri Sep 21 09:31:01 BST 2007 i686 Pentium III (Coppermine) GenuineIntel GNU/Linux
>
>Gnu C                  4.2.0
>Gnu make               3.81
>binutils               2.17
>util-linux             2.12r
>mount                  2.12r
>module-init-tools      3.2.2
>e2fsprogs              1.40.2
>PPP                    2.4.4
>Linux C Library        2.5
>Dynamic linker (ldd)   2.5
>Procps                 3.2.7
>Net-tools              1.60
>Kbd                    1.12
>Sh-utils               6.9
>udev                   114
>
>============================
>
>Summary:
>  CC      mm/slub.o
>mm/slub.c: In function 'kfree':
>mm/slub.c:2491: warning: passing argument 3 of 'slab_free' discards
>qualifiers from pointer target type
>
>  CC      fs/autofs4/symlink.o
>fs/autofs4/symlink.c: In function 'autofs4_follow_link':
>fs/autofs4/symlink.c:18: warning: passing argument 2 of 'nd_set_link'
>discards qualifiers from pointer target type

These two warnings are suspicious. Explicit casts are already there, how
they come out? Or gcc bugs?

{snip}