This commit was produced with the Coccinelle script
scripts/coccinelle/memory-region-housekeeping.cocci.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/net/dp8393x.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index a134d431ae..6bcdfe1a35 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -916,13 +916,12 @@ static void dp8393x_realize(DeviceState *dev, Error **errp)
     s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s);
     s->regs[SONIC_SR] = 0x0004; /* only revision recognized by Linux */
 
-    memory_region_init_ram(&s->prom, OBJECT(dev),
-                           "dp8393x-prom", SONIC_PROM_SIZE, &local_err);
+    memory_region_init_rom(&s->prom, OBJECT(dev), "dp8393x-prom",
+                           SONIC_PROM_SIZE, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         return;
     }
-    memory_region_set_readonly(&s->prom, true);
     prom = memory_region_get_ram_ptr(&s->prom);
     checksum = 0;
     for (i = 0; i < 6; i++) {
-- 
2.21.1