Re: [PATCH] qtest: do not return freed argument vector from qtest_rsp

[Thomas Huth <thuth@redhat.com>]

On 20/11/2020 08.31, Paolo Bonzini wrote:
> If expected_args is 0, qtest frees the argument vector and then returns it
> nevertheless.  Coverity complains; in practice this is not an issue because
> expected_args == 0 means that the caller is not interested in the argument
> vector, but it would be a potential problem if somebody wanted to add
> commands with optional arguments to qtest.
> 
> Suggested-by: Kamil Dudka <kdudka@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  tests/qtest/libqtest.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
> index be0fb430dd..e49f3a1e45 100644
> --- a/tests/qtest/libqtest.c
> +++ b/tests/qtest/libqtest.c
> @@ -545,6 +545,7 @@ redo:
>          }
>      } else {
>          g_strfreev(words);
> +        words = NULL;
>      }
>  
>      return words;
> 

Reviewed-by: Thomas Huth <thuth@redhat.com>