Re: [Qemu-trivial] [Qemu-devel] [PATCH 3/5] hw/input/tsc210x: Remove superfluous memset

[Eric Blake <eblake@redhat.com>]

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On 10/08/2015 01:35 PM, Thomas Huth wrote:
> g_malloc0 already clears the memory, so no need for additional
> memsets here. And while we're at it, let's also remove the
> superfluous typecasts for the return values of g_malloc0.
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  hw/input/tsc210x.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/hw/input/tsc210x.c b/hw/input/tsc210x.c
> index fae3385..92b076a 100644
> --- a/hw/input/tsc210x.c
> +++ b/hw/input/tsc210x.c
> @@ -1086,9 +1086,7 @@ uWireSlave *tsc2102_init(qemu_irq pint)
>  {
>      TSC210xState *s;
>  
> -    s = (TSC210xState *)
> -            g_malloc0(sizeof(TSC210xState));
> -    memset(s, 0, sizeof(TSC210xState));
> +    s = g_malloc0(sizeof(TSC210xState));

This should probably be g_new0(TSC210xState, 1), consistent with Markus'
recent cleanup patches.

>      s->x = 160;
>      s->y = 160;
>      s->pressure = 0;
> @@ -1135,9 +1133,7 @@ uWireSlave *tsc2301_init(qemu_irq penirq, qemu_irq kbirq, qemu_irq dav)
>  {
>      TSC210xState *s;
>  
> -    s = (TSC210xState *)
> -            g_malloc0(sizeof(TSC210xState));
> -    memset(s, 0, sizeof(TSC210xState));
> +    s = g_malloc0(sizeof(TSC210xState));

Likewise.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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