netdev - Re: [PATCH iproute2 v4 1/2] tc: u32: add support for json output

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Date:   Tue, 18 Jan 2022 13:04:50 -0700
From:   David Ahern <dsahern@...il.com>
To:     Wen Liang <liangwen12year@...il.com>, netdev@...r.kernel.org
Cc:     stephen@...workplumber.org, aclaudi@...hat.com
Subject: Re: [PATCH iproute2 v4 1/2] tc: u32: add support for json output

On 1/17/22 7:42 PM, Wen Liang wrote:
> diff --git a/tc/f_u32.c b/tc/f_u32.c
> index a5747f67..03dbe774 100644
> --- a/tc/f_u32.c
> +++ b/tc/f_u32.c
> @@ -1213,11 +1213,11 @@ static int u32_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt,
>  
>  	if (handle) {
>  		SPRINT_BUF(b1);
> -		fprintf(f, "fh %s ", sprint_u32_handle(handle, b1));
> +		print_string(PRINT_ANY, "fh", "fh %s ", sprint_u32_handle(handle, b1));

sprint_u32_handle adds a space after the raw check. I think that space
can be removed.

Also, seems like raw and json should be incompatible.