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Add a missing error check to SET_RAM ioctl handler #161

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Jan 31, 2019
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Add a missing error check to SET_RAM ioctl handler #161

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10 changes: 9 additions & 1 deletion core/memory.c
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Original file line number Diff line number Diff line change
Expand Up @@ -261,7 +261,15 @@ static int handle_set_ram(struct vm_t *vm, uint64_t start_gpa, uint64_t size,
gpa_space = &vm->gpa_space;
start_gfn = start_gpa >> PG_ORDER_4K;
npages = size >> PG_ORDER_4K;
gpa_space_adjust_prot_bitmap(gpa_space, start_gfn + npages);

ret = gpa_space_adjust_prot_bitmap(gpa_space, start_gfn + npages);
if (ret) {
hax_error("%s: Failed to resize prot bitmap: ret=%d, start_gfn=0x%llx,"
" npages=0x%llx, start_uva=0x%llx, flags=0x%x\n", __func__,
ret, start_gfn, npages, start_uva, flags);
return ret;
}

ret = memslot_set_mapping(gpa_space, start_gfn, npages, start_uva, flags);
if (ret) {
hax_error("%s: memslot_set_mapping() failed: ret=%d, start_gfn=0x%llx,"
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