Warning C6102

Using 'variable' from failed function call at line 'location'.

This warning is reported instead of C6001 when a variable isn't set because it was marked as an _Out_ parameter on a prior function call that failed.

The problem might be that the prior called function isn't fully annotated. It may require _Always_, _Outptr_result_nullonfailure_ (_COM_Outptr_ for COM code), or a related annotation.

See also

• C6001
• Using SAL Annotations to Reduce C/C++ Code Defects