netdev - Re: [PATCH] mlxsw: Add return value check for mlxsw_sp_port_get_stats

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Message-ID: <87wmdvcecg.fsf@nvidia.com>
Date: Wed, 12 Feb 2025 17:32:15 +0100
From: Petr Machata <petrm@...dia.com>
To: Wentao Liang <vulab@...as.ac.cn>
CC: <idosch@...dia.com>, <petrm@...dia.com>, <andrew+netdev@...n.ch>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Subject: Re: [PATCH] mlxsw: Add return value check for
 mlxsw_sp_port_get_stats_raw()


Wentao Liang <vulab@...as.ac.cn> writes:

> Add a check for the return value of mlxsw_sp_port_get_stats_raw()
> in __mlxsw_sp_port_get_stats(). If mlxsw_sp_port_get_stats_raw()
> returns an error, exit the function to prevent further processing
> with potentially invalid data.
>
> Fixes: 614d509aa1e7 ("mlxsw: Move ethtool_ops to spectrum_ethtool.c")
> Cc: stable@...r.kernel.org # 5.9+
> Signed-off-by: Wentao Liang <vulab@...as.ac.cn>

Reviewed-by: Petr Machata <petrm@...dia.com>

Thanks!