Messages in this thread | | | Date | Sat, 22 Sep 2007 22:23:59 -0400 (EDT) | From | Gerhard Mack <> | Subject | Re: linux 2.6.23-rc7 - 14 compile warnings |
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On Sat, 22 Sep 2007, WANG Cong wrote:
> >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
static void __slab_free(struct kmem_cache *s, struct page *page, void *x, void *addr) but ..
void kfree(const void *x)
void is not the same as const void.
> > 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
Once again ino->u.symlink is a const char and it's dropping the const.
> > These two warnings are suspicious. Explicit casts are already there, how > they come out? Or gcc bugs? >
gcc is perfectly justified when warning about dropping const.
Gerhard
-- Gerhard Mack
gmack@innerfire.net
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