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Diffstat (limited to 'hw/audio/cs4231a.c')
-rw-r--r--hw/audio/cs4231a.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/audio/cs4231a.c b/hw/audio/cs4231a.c
index 096e8e98d7..aaebec1839 100644
--- a/hw/audio/cs4231a.c
+++ b/hw/audio/cs4231a.c
@@ -28,6 +28,7 @@
#include "hw/isa/isa.h"
#include "hw/qdev.h"
#include "qemu/timer.h"
+#include "qapi/error.h"
/*
Missing features:
@@ -663,8 +664,13 @@ static void cs4231a_realizefn (DeviceState *dev, Error **errp)
CSState *s = CS4231A (dev);
IsaDmaClass *k;
- isa_init_irq (d, &s->pic, s->irq);
s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->dma);
+ if (!s->isa_dma) {
+ error_setg(errp, "ISA controller does not support DMA");
+ return;
+ }
+
+ isa_init_irq(d, &s->pic, s->irq);
k = ISADMA_GET_CLASS(s->isa_dma);
k->register_channel(s->isa_dma, s->dma, cs_dma_read, s);