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path: root/drivers/irqchip/irq-gic.c
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Diffstat (limited to 'drivers/irqchip/irq-gic.c')
-rw-r--r--drivers/irqchip/irq-gic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 58ba835bee1f..09c710ecc387 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -1123,6 +1123,12 @@ static int gic_irq_domain_translate(struct irq_domain *d,
if(fwspec->param_count != 2)
return -EINVAL;
+ if (fwspec->param[0] < 16) {
+ pr_err(FW_BUG "Illegal GSI%d translation request\n",
+ fwspec->param[0]);
+ return -EINVAL;
+ }
+
*hwirq = fwspec->param[0];
*type = fwspec->param[1];