diff mbox series

[v2,07/11] hw/intc/xics: Avoid dynamic stack allocation

Message ID 20220819153931.3147384-8-peter.maydell@linaro.org
State Superseded
Headers show
Series misc: Remove variable-length arrays on the stack | expand

Commit Message

Peter Maydell Aug. 19, 2022, 3:39 p.m. UTC 
From: Philippe Mathieu-Daudé <philmd@redhat.com>

Use autofree heap allocation instead of variable-length
array on the stack.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/intc/xics.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Richard Henderson Oct. 24, 2022, 11:16 p.m. UTC | #1 
On 8/20/22 01:39, Peter Maydell wrote:
> From: Philippe Mathieu-Daudé<philmd@redhat.com>
> 
> Use autofree heap allocation instead of variable-length
> array on the stack.
> 
> Signed-off-by: Philippe Mathieu-Daudé<philmd@redhat.com>
> Acked-by: David Gibson<david@gibson.dropbear.id.au>
> Reviewed-by: Greg Kurz<groug@kaod.org>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   hw/intc/xics.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/hw/intc/xics.c b/hw/intc/xics.c
index 5b0b4d96242..dcd021af668 100644
--- a/hw/intc/xics.c
+++ b/hw/intc/xics.c
@@ -567,8 +567,8 @@  static void ics_reset_irq(ICSIRQState *irq)
 static void ics_reset(DeviceState *dev)
 {
     ICSState *ics = ICS(dev);
+    g_autofree uint8_t *flags = g_malloc(ics->nr_irqs);
     int i;
-    uint8_t flags[ics->nr_irqs];
 
     for (i = 0; i < ics->nr_irqs; i++) {
         flags[i] = ics->irqs[i].flags;