Re: [PATCH v1 10/59] chardev/char-win.c: remove 'fail' label in win_chr_serial_init()

[Philippe Mathieu-Daudé]

On 1/6/20 7:23 PM, Daniel Henrique Barboza wrote:
> The 'fail' label is a simply call to 'return -1' on error. Remove
> it and do the return call instead.
>
> CC: Marc-André Lureau <address@hidden>
> CC: Paolo Bonzini <address@hidden>
> Signed-off-by: Daniel Henrique Barboza <address@hidden>

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>

> ---
>   chardev/char-win.c | 19 ++++++++-----------
>   1 file changed, 8 insertions(+), 11 deletions(-)
>
> diff --git a/chardev/char-win.c b/chardev/char-win.c
> index 34825f683d..72c232e6d9 100644
> --- a/chardev/char-win.c
> +++ b/chardev/char-win.c
> @@ -85,12 +85,12 @@ int win_chr_serial_init(Chardev *chr, const char *filename, 
> Error **errp)
>       s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL);
>       if (!s->hsend) {
>           error_setg(errp, "Failed CreateEvent");
> -        goto fail;
> +        return -1;
>       }
>       s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL);
>       if (!s->hrecv) {
>           error_setg(errp, "Failed CreateEvent");
> -        goto fail;
> +        return -1;
>       }
>   
>       s->file = CreateFile(filename, GENERIC_READ | GENERIC_WRITE, 0, NULL,
> @@ -98,12 +98,12 @@ int win_chr_serial_init(Chardev *chr, const char *filename, 
> Error **errp)
>       if (s->file == INVALID_HANDLE_VALUE) {
>           error_setg(errp, "Failed CreateFile (%lu)", GetLastError());
>           s->file = NULL;
> -        goto fail;
> +        return -1;
>       }
>   
>       if (!SetupComm(s->file, NRECVBUF, NSENDBUF)) {
>           error_setg(errp, "Failed SetupComm");
> -        goto fail;
> +        return -1;
>       }
>   
>       ZeroMemory(&comcfg, sizeof(COMMCONFIG));
> @@ -114,29 +114,26 @@ int win_chr_serial_init(Chardev *chr, const char 
> *filename, Error **errp)
>   
>       if (!SetCommState(s->file, &comcfg.dcb)) {
>           error_setg(errp, "Failed SetCommState");
> -        goto fail;
> +        return -1;
>       }
>   
>       if (!SetCommMask(s->file, EV_ERR)) {
>           error_setg(errp, "Failed SetCommMask");
> -        goto fail;
> +        return -1;
>       }
>   
>       cto.ReadIntervalTimeout = MAXDWORD;
>       if (!SetCommTimeouts(s->file, &cto)) {
>           error_setg(errp, "Failed SetCommTimeouts");
> -        goto fail;
> +        return -1;
>       }
>   
>       if (!ClearCommError(s->file, &err, &comstat)) {
>           error_setg(errp, "Failed ClearCommError");
> -        goto fail;
> +        return -1;
>       }
>       qemu_add_polling_cb(win_chr_serial_poll, chr);
>       return 0;
> -
> - fail:
> -    return -1;
>   }
>   
>   int win_chr_pipe_poll(void *opaque)