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[PATCH 5/6] nvram: add nrf51_soc flash read method
From: |
P J P |
Subject: |
[PATCH 5/6] nvram: add nrf51_soc flash read method |
Date: |
Wed, 17 Jun 2020 11:09:32 +0530 |
From: Prasad J Pandit <pjp@fedoraproject.org>
Add nrf51_soc mmio read method to avoid NULL pointer dereference
issue.
Reported-by: Lei Sun <slei.casper@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
---
hw/nvram/nrf51_nvm.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/nvram/nrf51_nvm.c b/hw/nvram/nrf51_nvm.c
index f2283c1a8d..e813c7ec72 100644
--- a/hw/nvram/nrf51_nvm.c
+++ b/hw/nvram/nrf51_nvm.c
@@ -274,6 +274,12 @@ static const MemoryRegionOps io_ops = {
};
+static uint64_t flash_read(void *opaque, hwaddr addr, unsigned size)
+{
+ qemu_log_mask(LOG_UNIMP, "%s not implemented\n", __func__);
+ return 0;
+}
+
static void flash_write(void *opaque, hwaddr offset, uint64_t value,
unsigned int size)
{
@@ -300,6 +306,7 @@ static void flash_write(void *opaque, hwaddr offset,
uint64_t value,
static const MemoryRegionOps flash_ops = {
+ .read = flash_read,
.write = flash_write,
.valid.min_access_size = 4,
.valid.max_access_size = 4,
--
2.26.2
- [PATCH 0/6] Add various undefined MMIO r/w functions, P J P, 2020/06/17
- [PATCH 1/6] hw/pci-host: add pci-intack write method, P J P, 2020/06/17
- [PATCH 2/6] pci-host: add pcie-msi read method, P J P, 2020/06/17
- [PATCH 3/6] vfio: add quirk device write method, P J P, 2020/06/17
- [PATCH 4/6] prep: add ppc-parity write method, P J P, 2020/06/17
- [PATCH 5/6] nvram: add nrf51_soc flash read method,
P J P <=
- [PATCH 6/6] spapr_pci: add spapr msi read method, P J P, 2020/06/17
- Re: [PATCH 0/6] Add various undefined MMIO r/w functions, no-reply, 2020/06/17
- Re: [PATCH 0/6] Add various undefined MMIO r/w functions, David Gibson, 2020/06/17