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hw/audio/cs4231a: fix assertion error in isa_bus_get_irq

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This patch fixes an assertion error in isa_bus_get_irq() in
/hw/isa/isa-bus.c by adding a constraint to the irq property.
Patch v1 misused ISA_NUM_IRQS, pls ignore that.

Signed-off-by: Zheng Huang <hz1624917200@gmail.com>
Link: https://lore.kernel.org/r/6d228069-e38f-4c46-813f-edcccc5c47e4@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Zheng Huang 2025-05-09 19:21:35 +08:00 • committed by Paolo Bonzini
parent 428c0acd95
commit bbdbc47b5c
1 changed files with 4 additions and 0 deletions
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4
hw/audio/cs4231a.c
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@ -682,6 +682,10 @@ static void cs4231a_realizefn (DeviceState *dev, Error **errp)
return;
}
if (s->irq >= ISA_NUM_IRQS) {
error_setg(errp, "Invalid IRQ %d (max %d)", s->irq, ISA_NUM_IRQS - 1);
return;
}
s->pic = isa_bus_get_irq(bus, s->irq);
k = ISADMA_GET_CLASS(s->isa_dma);
k->register_channel(s->isa_dma, s->dma, cs_dma_read, s);