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authorPrasad J Pandit <pjp@fedoraproject.org>2020-08-11 17:11:28 +0530
committerPaolo Bonzini <pbonzini@redhat.com>2021-02-08 15:15:32 +0100
commitf867cebaedbc9c43189f102e4cdfdff05e88df7f (patch)
tree37c46ad91e8d7a5d99e6fc7327141aa73f3bdc75
parent24202d2b561c3b4c48bd28383c8c34b4ac66c2bf (diff)
downloadqemu-arm-f867cebaedbc9c43189f102e4cdfdff05e88df7f.tar.gz
prep: add ppc-parity write method
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>
-rw-r--r--hw/ppc/prep_systemio.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/ppc/prep_systemio.c b/hw/ppc/prep_systemio.c
index 4e48ef245c..b2bd783248 100644
--- a/hw/ppc/prep_systemio.c
+++ b/hw/ppc/prep_systemio.c
@@ -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,