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do not free MemoryRegion in memory_unmap() because it will be unref later in memory_region_unref(). this fixes issue #202

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This commit is contained in:
Nguyen Anh Quynh 2015-10-28 01:26:59 +08:00
parent 3a36e327ab
commit b66a323b19
3 changed files with 4 additions and 3 deletions
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3
qemu/memory.c
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@ -49,6 +49,7 @@ void memory_unmap(struct uc_struct *uc, MemoryRegion *mr)
{
int i;
target_ulong addr;
// Make sure all pages associated with the MemoryRegion are flushed
// Only need to do this if we are in a running state
if (uc->current_cpu) {
@ -67,8 +68,6 @@ void memory_unmap(struct uc_struct *uc, MemoryRegion *mr)
break;
}
}
g_free(mr);
}
int memory_free(struct uc_struct *uc)

2
qemu/qom/object.c
View file

@ -697,7 +697,7 @@ void object_ref(Object *obj)
if (!obj) {
return;
}
atomic_inc(&obj->ref);
atomic_inc(&obj->ref);
}
void object_unref(struct uc_struct *uc, Object *obj)

2
uc.c
View file

@ -793,6 +793,7 @@ uc_err uc_mem_unmap(struct uc_struct *uc, uint64_t address, size_t size)
len = MIN(size - count, mr->end - addr);
if (!split_region(uc, mr, addr, len, true))
return UC_ERR_NOMEM;
// if we can retrieve the mapping, then no splitting took place
// so unmap here
mr = memory_mapping(uc, addr);
@ -801,6 +802,7 @@ uc_err uc_mem_unmap(struct uc_struct *uc, uint64_t address, size_t size)
count += len;
addr += len;
}
return UC_ERR_OK;
}