Re: [Qemu-devel] [PATCH] memory: give name every AddressSpace

[David Gibson]

On Mon, Apr 29, 2013 at 11:25:16AM +0200, Paolo Bonzini wrote:
> Il 29/04/2013 10:21, Alexey Kardashevskiy ha scritto:
> >>> >> +    g_free((void *)as->name);
> >> > 
> >> > No cast here.
> > ?
> > 
> >   CC    ppc64-softmmu/memory.o
> > /home/alexey/pcipassthru/qemu-impreza/memory.c: In function
> > 'address_space_destroy':
> > /home/alexey/pcipassthru/qemu-impreza/memory.c:1626:5: warning: passing
> > argument 1 of 'g_free' discards 'const' qualifier from pointer target type
> > [enabled by default]
> >      g_free(/*(void *)*/as->name);
> >      ^
> 
> Please remove the const from as->name instead.  Since you are strdup-ing
> it, and the field is meant to be private to memory.c anyway, you do not
> need protection against changing it.

As a general rule, pointer variables that you malloc()ate should not
be const.

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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