diff options
Diffstat (limited to 'hw/audio/cs4231a.c')
| -rw-r--r-- | hw/audio/cs4231a.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/hw/audio/cs4231a.c b/hw/audio/cs4231a.c index 5a9be80..6dfff20 100644 --- a/hw/audio/cs4231a.c +++ b/hw/audio/cs4231a.c @@ -528,7 +528,7 @@ static int cs_write_audio (CSState *s, int nchan, int dma_pos, int dma_len, int len) { int temp, net; - uint8_t tmpbuf[4096]; + QEMU_UNINITIALIZED uint8_t tmpbuf[4096]; IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma); temp = len; @@ -547,7 +547,7 @@ static int cs_write_audio (CSState *s, int nchan, int dma_pos, copied = k->read_memory(s->isa_dma, nchan, tmpbuf, dma_pos, to_copy); if (s->tab) { int i; - int16_t linbuf[4096]; + QEMU_UNINITIALIZED int16_t linbuf[4096]; for (i = 0; i < copied; ++i) linbuf[i] = s->tab[tmpbuf[i]]; @@ -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); @@ -696,7 +700,7 @@ static const Property cs4231a_properties[] = { DEFINE_PROP_UINT32 ("dma", CSState, dma, 3), }; -static void cs4231a_class_initfn (ObjectClass *klass, void *data) +static void cs4231a_class_initfn(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS (klass); |