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hw/pci-host: add pci-intack write method

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Add pci-intack mmio write method to avoid NULL pointer dereference
issue.

Reported-by: Lei Sun <slei.casper@gmail.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20200811114133.672647-2-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Prasad J Pandit 2020-08-11 17:11:25 +05:30 committed by Paolo Bonzini
parent 33c38f8ca1
commit 520f26fc6d
1 changed files with 8 additions and 0 deletions
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8
hw/pci-host/prep.c
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@ -27,6 +27,7 @@
#include "qemu-common.h"
#include "qemu/datadir.h"
#include "qemu/units.h"
#include "qemu/log.h"
#include "qapi/error.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_bus.h"
@ -121,8 +122,15 @@ static uint64_t raven_intack_read(void *opaque, hwaddr addr,
return pic_read_irq(isa_pic);
}
static void raven_intack_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
qemu_log_mask(LOG_UNIMP, "%s not implemented\n", __func__);
}
static const MemoryRegionOps raven_intack_ops = {
.read = raven_intack_read,
.write = raven_intack_write,
.valid = {
.max_access_size = 1,
},