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prep: add ppc-parity write method

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Add ppc-parity mmio write method to avoid NULL pointer dereference
issue.

Reported-by: Lei Sun <slei.casper@gmail.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <20200811114133.672647-5-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Prasad J Pandit 2020-08-11 17:11:28 +05:30 committed by Paolo Bonzini
parent 24202d2b56
commit f867cebaed
1 changed files with 8 additions and 0 deletions
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8
hw/ppc/prep_systemio.c
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@ -23,6 +23,7 @@
*/
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "hw/irq.h"
#include "hw/isa/isa.h"
#include "hw/qdev-properties.h"
@ -235,8 +236,15 @@ static uint64_t ppc_parity_error_readl(void *opaque, hwaddr addr,
return val;
}
static void ppc_parity_error_writel(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid access\n", __func__);
}
static const MemoryRegionOps ppc_parity_error_ops = {
.read = ppc_parity_error_readl,
.write = ppc_parity_error_writel,
.valid = {
.min_access_size = 4,
.max_access_size = 4,