Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/ucall.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/lib/ucall.c b/tools/testing/selftests/kvm/lib/ucall.c
index 4777f9bb5194..e28bdd6b546c 100644
--- a/tools/testing/selftests/kvm/lib/ucall.c
+++ b/tools/testing/selftests/kvm/lib/ucall.c
@@ -58,7 +58,7 @@ void ucall_init(struct kvm_vm *vm, ucall_type_t type, void *arg)
start = 1ul << (vm->va_bits * 2 / 3);
end = 1ul << vm->va_bits;
step = 1ul << (vm->va_bits / 6);
- for (gpa = start; gpa >= 0; gpa -= step) {
+ for (gpa = start; gpa > 0; gpa -= step) {
if (ucall_mmio_init(vm, gpa & ~(vm->page_size - 1)))
return;
}
--
2.17.2
