Re: [Qemu-devel] [Qemu-trivial] [PATCH-for-4.1? 1/7] json: Move switch 'fall through' comment to correct place

[Laurent Vivier <laurent@vivier.eu>]

Le 19/07/2019 à 15:14, Philippe Mathieu-Daudé a écrit :
> Reported by GCC9 when building with CFLAG -Wimplicit-fallthrough=2:
> 
>   qobject/json-parser.c: In function ‘parse_literal’:
>   qobject/json-parser.c:492:24: error: this statement may fall through [-Werror=implicit-fallthrough=]
>     492 |     case JSON_INTEGER: {
>         |                        ^
>   qobject/json-parser.c:524:5: note: here
>     524 |     case JSON_FLOAT:
>         |     ^~~~
> 
> Correctly place the 'fall through' comment.
> 
> Reported-by: Stefan Weil <sw@weilnetz.de>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  qobject/json-parser.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/qobject/json-parser.c b/qobject/json-parser.c
> index 7d23e12e33..d083810d37 100644
> --- a/qobject/json-parser.c
> +++ b/qobject/json-parser.c
> @@ -519,8 +519,8 @@ static QObject *parse_literal(JSONParserContext *ctxt)
>              }
>              assert(ret == -ERANGE);
>          }
> -        /* fall through to JSON_FLOAT */
>      }
> +    /* fall through to JSON_FLOAT */
>      case JSON_FLOAT:
>          /* FIXME dependent on locale; a pervasive issue in QEMU */
>          /* FIXME our lexer matches RFC 8259 in forbidding Inf or NaN,
> 

Applied to my trivial-patches branch.

Thanks,
Laurent