KVM: selftests: Fix mapping length truncation in m{,un}map()

[linux-2.6-microblaze.git] / tools / testing / selftests / kvm / set_memory_region_test.c

diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index 978f5b5..d8812f2 100644 (file)
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -376,7 +376,7 @@ static void test_add_max_memory_regions(void)
        pr_info("Adding slots 0..%i, each memory region with %dK size\n",
                (max_mem_slots - 1), MEM_REGION_SIZE >> 10);
 
-       mem = mmap(NULL, MEM_REGION_SIZE * max_mem_slots + alignment,
+       mem = mmap(NULL, (size_t)max_mem_slots * MEM_REGION_SIZE + alignment,
                   PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
        TEST_ASSERT(mem != MAP_FAILED, "Failed to mmap() host");
        mem_aligned = (void *)(((size_t) mem + alignment - 1) & ~(alignment - 1));
@@ -401,7 +401,7 @@ static void test_add_max_memory_regions(void)
        TEST_ASSERT(ret == -1 && errno == EINVAL,
                    "Adding one more memory slot should fail with EINVAL");
 
-       munmap(mem, MEM_REGION_SIZE * max_mem_slots + alignment);
+       munmap(mem, (size_t)max_mem_slots * MEM_REGION_SIZE + alignment);
        munmap(mem_extra, MEM_REGION_SIZE);
        kvm_vm_free(vm);
 }