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authorJan Kiszka <jan.kiszka@siemens.com>2013-09-02 18:43:31 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2013-09-05 18:11:48 +0200
commit68a7439a150d6b4da99082ab454b9328b151bc25 (patch)
tree78577f6bddbdd690a91fdd5bfa0fe507343d0bd7
parent3bb28b7208b349e7a1b326e3c6ef9efac1d462bf (diff)
Revert "memory: Return -1 again on reads from unsigned regions"
This reverts commit 9b8c69243585a32d14b9bb9fcd52c37b0b5a1b71. The commit was wrong: We only return -1 on invalid accesses, not on valid but unbacked ones. This broke various corner cases. Cc: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/memory.c b/memory.c
index 886f838951..5a10fd0bde 100644
--- a/memory.c
+++ b/memory.c
@@ -872,7 +872,7 @@ 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 -1ULL;
+ return 0;
}
static void unassigned_mem_write(void *opaque, hwaddr addr,