@@ -2413,9 +2413,15 @@ MemoryRegionSection *iotlb_to_section(CPUState *cpu,
int asidx = cpu_asidx_from_attrs(cpu, attrs);
CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx];
AddressSpaceDispatch *d = qatomic_rcu_read(&cpuas->memory_dispatch);
- MemoryRegionSection *sections = d->map.sections;
+ int section_index = index & ~TARGET_PAGE_MASK;
+ MemoryRegionSection *ret;
- return §ions[index & ~TARGET_PAGE_MASK];
+ assert(section_index < d->map.sections_nb);
+ ret = d->map.sections + section_index;
+ assert(ret->mr);
+ assert(ret->mr->ops);
+
+ return ret;
}
static void io_mem_init(void)