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From: Petr Machata <petrm@nvidia.com>
To: Evgenii Burenchev <evg28bur@yandex.ru>
Cc: <stable@vger.kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<idosch@nvidia.com>, <petrm@nvidia.com>, <andrew+netdev@lunn.ch>,
	<davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>,
	<pabeni@redhat.com>, <jiri@resnulli.us>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <lvc-project@linuxtesting.org>
Subject: Re: [PATCH net] mlxsw: spectrum_acl_erp: Fix const qualifier of delta_clear()
Date: Thu, 25 Jun 2026 15:27:15 +0200	[thread overview]
Message-ID: <87h5mq3fwg.fsf@nvidia.com> (raw)
In-Reply-To: <20260625114831.17386-1-evg28bur@yandex.ru>


Evgenii Burenchev <evg28bur@yandex.ru> writes:

> mlxsw_sp_acl_erp_delta_clear() takes 'const char *enc_key' but modifies
> the memory it points to. This is a logical error in the function
> declaration.
>
> The only caller passes a non-const buffer (aentry->ht_key.enc_key), so
> the const qualifier is misleading and unnecessary.
>
> Remove const from the enc_key parameter to match the actual usage.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: c22291f7cf45 ("mlxsw: spectrum: acl: Implement delta for ERP")
> Signed-off-by: Evgenii Burenchev <evg28bur@yandex.ru>

Dunno how much of a net material this is, there's no bug to be fixed,
it's a source code cleanliness improvement. But the patch is correct.

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

      reply	other threads:[~2026-06-25 13:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-25 11:48 [PATCH net] mlxsw: spectrum_acl_erp: Fix const qualifier of delta_clear() Evgenii Burenchev
2026-06-25 13:27 ` Petr Machata [this message]

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