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Re: [PATCH 4/5] intc/exynos4210_gic: fix format-overflow warning
From: |
Peter Maydell |
Subject: |
Re: [PATCH 4/5] intc/exynos4210_gic: fix format-overflow warning |
Date: |
Mon, 28 Mar 2022 09:15:33 +0000 |
On Mon, 28 Mar 2022 at 09:48, <marcandre.lureau@redhat.com> wrote:
>
> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
> hw/intc/exynos4210_gic.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/hw/intc/exynos4210_gic.c b/hw/intc/exynos4210_gic.c
> index bc73d1f11524..5b6f4330a5f3 100644
> --- a/hw/intc/exynos4210_gic.c
> +++ b/hw/intc/exynos4210_gic.c
> @@ -289,10 +289,6 @@ static void exynos4210_gic_realize(DeviceState *dev,
> Error **errp)
> Object *obj = OBJECT(dev);
> Exynos4210GicState *s = EXYNOS4210_GIC(obj);
> SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
> - const char cpu_prefix[] = "exynos4210-gic-alias_cpu";
> - const char dist_prefix[] = "exynos4210-gic-alias_dist";
> - char cpu_alias_name[sizeof(cpu_prefix) + 3];
> - char dist_alias_name[sizeof(cpu_prefix) + 3];
> SysBusDevice *gicbusdev;
> uint32_t n = s->num_cpu;
> uint32_t i;
> @@ -322,8 +318,10 @@ static void exynos4210_gic_realize(DeviceState *dev,
> Error **errp)
> */
> assert(n <= EXYNOS4210_NCPUS);
> for (i = 0; i < n; i++) {
> + g_autofree char *cpu_alias_name =
> g_strdup_printf("exynos4210-gic-alias_cpu%x", i);
> + g_autofree char *dist_alias_name =
> g_strdup_printf("exynos4210-gic-alias_dist%x", i);
> +
> /* Map CPU interface per SMP Core */
> - sprintf(cpu_alias_name, "%s%x", cpu_prefix, i);
> memory_region_init_alias(&s->cpu_alias[i], obj,
> cpu_alias_name,
> sysbus_mmio_get_region(gicbusdev, 1),
> @@ -333,7 +331,6 @@ static void exynos4210_gic_realize(DeviceState *dev,
> Error **errp)
> EXYNOS4210_EXT_GIC_CPU_GET_OFFSET(i), &s->cpu_alias[i]);
>
> /* Map Distributor per SMP Core */
> - sprintf(dist_alias_name, "%s%x", dist_prefix, i);
> memory_region_init_alias(&s->dist_alias[i], obj,
> dist_alias_name,
> sysbus_mmio_get_region(gicbusdev, 0),
> --
More false positives, but here the new code is massively better than the old.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM