linux-kernel - Re: [PATCH net-next v3 08/15] mptcp: pm: use NL_SET_ERR_MSG

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Message-ID: <20250210195125.GV554665@kernel.org>
Date: Mon, 10 Feb 2025 19:51:25 +0000
From: Simon Horman <horms@...nel.org>
To: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
Cc: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>,
	Geliang Tang <geliang@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 08/15] mptcp: pm: use NL_SET_ERR_MSG_ATTR
 when possible

On Fri, Feb 07, 2025 at 02:59:26PM +0100, Matthieu Baerts (NGI0) wrote:
> Instead of only returning a text message with GENL_SET_ERR_MSG(),
> NL_SET_ERR_MSG_ATTR() can help the userspace developers by also
> reporting which attribute is faulty.
> 
> When the error is specific to an attribute, NL_SET_ERR_MSG_ATTR() is now
> used. The error messages have not been modified in this commit.
> 
> Reviewed-by: Geliang Tang <geliang@...nel.org>
> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>

Reviewed-by: Simon Horman <horms@...nel.org>