From: Bin Meng <[email protected]>
When write is disabled, the write to flash should be avoided
in flash_write8().
Fixes: 82a2499011a7 ("m25p80: Initial implementation of SPI flash device")
Signed-off-by: Bin Meng <[email protected]>
---
Changes in v2:
- new patch: honor write enable flag in flash write
hw/block/m25p80.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 483925f..236e1b4 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -594,6 +594,7 @@ void flash_write8(Flash *s, uint32_t addr, uint8_t data)
if (!s->write_enable) {
qemu_log_mask(LOG_GUEST_ERROR, "M25P80: write with write protect!\n");
+ return;
}
if ((prev ^ data) & data) {
--
2.7.4
