This fixes a real bug, too, because xstate_size() was assuming that the stack variable xstate_size was initialized to zero. That's not guaranteed nor even especially likely.
Reviewed-by: David Hildenbrand david@redhat.com Cc: Peter Xu peterx@redhat.com Signed-off-by: John Hubbard jhubbard@nvidia.com --- tools/testing/selftests/mm/pkey-x86.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/pkey-x86.h b/tools/testing/selftests/mm/pkey-x86.h index 72c14cd3ddc7..e32ae8a1cd99 100644 --- a/tools/testing/selftests/mm/pkey-x86.h +++ b/tools/testing/selftests/mm/pkey-x86.h @@ -132,7 +132,7 @@ int pkey_reg_xstate_offset(void) unsigned int ecx; unsigned int edx; int xstate_offset; - int xstate_size; + int xstate_size = 0; unsigned long XSTATE_CPUID = 0xd; int leaf;