From f867cebaedbc9c43189f102e4cdfdff05e88df7f Mon Sep 17 00:00:00 2001 From: Prasad J Pandit Date: Tue, 11 Aug 2020 17:11:28 +0530 Subject: prep: add ppc-parity write method Add ppc-parity mmio write method to avoid NULL pointer dereference issue. Reported-by: Lei Sun Acked-by: David Gibson Signed-off-by: Prasad J Pandit Reviewed-by: Li Qiang Message-Id: <20200811114133.672647-5-ppandit@redhat.com> Signed-off-by: Paolo Bonzini --- hw/ppc/prep_systemio.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'hw/ppc') 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, -- cgit v1.2.3-55-g7522