On 11/8/19 4:01 PM, Marc-André Lureau wrote:
> We can easily avoid the burden of checking if the lexer was
> initialized prior to calling destroy by the caller, let's do it.
> 
> This allows simplification in state tracking with the following patch,
> "qmp: add QmpSession" can call qmp_session_destroy() multiple times,
> which in turns calls json_lexer_destroy().
> 
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> ---
>  qobject/json-lexer.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/qobject/json-lexer.c b/qobject/json-lexer.c
> index 632320d72d..fa7a2c43a8 100644
> --- a/qobject/json-lexer.c
> +++ b/qobject/json-lexer.c
> @@ -361,5 +361,8 @@ void json_lexer_flush(JSONLexer *lexer)
>  
>  void json_lexer_destroy(JSONLexer *lexer)
>  {
> -    g_string_free(lexer->token, true);
> +    if (lexer->token) {
> +        g_string_free(lexer->token, true);
> +        lexer->token = NULL;
> +    }
>  }
> 

Reviewed-by: Damien Hedde <damien.he...@greensocs.com>

--
Damien

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