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[Qemu-devel] [PATCH 3/4] memory: Return -1 again on reads from unsigned
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 3/4] memory: Return -1 again on reads from unsigned regions |
Date: |
Fri, 19 Jul 2013 22:07:57 +0200 |
From: Jan Kiszka <address@hidden>
This restore the behavior prior to b018ddf633 which accidentally changed
the return code to 0. Specifically guests probing for register existence
were affected by this.
Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/memory.c b/memory.c
index 9938b6b..34a088e 100644
--- a/memory.c
+++ b/memory.c
@@ -840,7 +840,7 @@ static uint64_t unassigned_mem_read(void *opaque, hwaddr
addr,
if (current_cpu != NULL) {
cpu_unassigned_access(current_cpu, addr, false, false, 0, size);
}
- return 0;
+ return -1ULL;
}
static void unassigned_mem_write(void *opaque, hwaddr addr,
--
1.8.1.4