netdev - Re: [PATCH iproute2] lib: Dump ext-ack string by default

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Date:   Mon, 7 Aug 2017 13:36:49 -0600
From:   David Ahern <dsahern@...il.com>
To:     netdev@...r.kernel.org, stephen@...workplumber.org
Subject: Re: [PATCH iproute2] lib: Dump ext-ack string by default

On 8/7/17 1:28 PM, David Ahern wrote:
> @@ -99,7 +95,12 @@ static int nl_dump_ext_err(const struct nlmsghdr *nlh, nl_ext_ack_fn_t errfn)
>  			err_nlh = &err->msg;
>  	}
>  
> -	return errfn(errmsg, off, err_nlh);
> +	if (errfn)
> +		return errfn(errmsg, off, err_nlh);
> +
> +	fprintf(stderr, "Error: %s\n", errmsg);
> +
> +	return 1;


Dang it, missing an 'if (errmsg)' since it does not have to exist. Will
send a v2