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Re: [Qemu-trivial] [PATCH] sparc: Use g_memdup() instead of g_new0() + m


From: Artyom Tarasenko
Subject: Re: [Qemu-trivial] [PATCH] sparc: Use g_memdup() instead of g_new0() + memcpy()
Date: Fri, 17 Jun 2016 13:38:16 +0200

Acked-By: Artyom Tarasenko <address@hidden>

On Thu, Jun 16, 2016 at 7:33 PM, Thomas Huth <address@hidden> wrote:
> There is no need to make sure that the memory is zeroed after the
> allocation if we also immediatly fill the whole buffer afterwards
> with memcpy(). Thus g_new0 should be g_new instead. But since we
> are also doing a memcpy() here, we can also simply replace both
> with g_memdup() instead.
>
> Signed-off-by: Thomas Huth <address@hidden>
> ---
>  target-sparc/cpu.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/target-sparc/cpu.c b/target-sparc/cpu.c
> index 5b74cfc..7b43192 100644
> --- a/target-sparc/cpu.c
> +++ b/target-sparc/cpu.c
> @@ -115,8 +115,7 @@ static int cpu_sparc_register(SPARCCPU *cpu, const char 
> *cpu_model)
>          return -1;
>      }
>
> -    env->def = g_new0(sparc_def_t, 1);
> -    memcpy(env->def, def, sizeof(*def));
> +    env->def = g_memdup(def, sizeof(*def));
>
>      featurestr = strtok(NULL, ",");
>      cc->parse_features(CPU(cpu), featurestr, &err);
> --
> 1.8.3.1
>



-- 
Regards,
Artyom Tarasenko

SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu



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