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From: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
To: Ethan Carter Edwards <ethan@ethancedwards.com>
Cc: Piotr Kwapulinski <piotr.kwapulinski@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Jedrzej Jagielski <jedrzej.jagielski@intel.com>,
	Simon Horman <horms@kernel.org>,
	Stefan Wegrzyn <stefan.wegrzyn@intel.com>,
	Michal Swiatkowski <michal.swiatkowski@linux.intel.com>,
	intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [Intel-wired-lan] [PATCH] ixgbe: remove self assignment
Date: Mon, 10 Feb 2025 06:36:43 +0100	[thread overview]
Message-ID: <Z6mQa0l6Y4tb9BrY@mev-dev.igk.intel.com> (raw)
In-Reply-To: <20250209-e610-self-v1-1-34c6c46ffe11@ethancedwards.com>

On Sun, Feb 09, 2025 at 11:47:24PM -0500, Ethan Carter Edwards wrote:
> Variable self assignment does not have any effect.
> 
> Addresses-Coverity-ID: 1641823 ("Self assignment")
> Fixes: 46761fd52a886 ("ixgbe: Add support for E610 FW Admin Command Interface")
> Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
> index 683c668672d65535fca3b2fe6f58a9deda1188fa..6b0bce92476c3c5ec3cf7ab79864b394b592c6d4 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
> @@ -145,7 +145,6 @@ static int ixgbe_aci_send_cmd_execute(struct ixgbe_hw *hw,
>  	if ((hicr & IXGBE_PF_HICR_SV)) {
>  		for (i = 0; i < IXGBE_ACI_DESC_SIZE_IN_DWORDS; i++) {
>  			raw_desc[i] = IXGBE_READ_REG(hw, IXGBE_PF_HIDA(i));
> -			raw_desc[i] = raw_desc[i];
>  		}
>  	}
>  

Thanks for the patch. This change is already in progress [1] (I hope,
waiting for v3).

[1] https://lore.kernel.org/netdev/20250115034117.172999-1-dheeraj.linuxdev@gmail.com/

Thanks,
Michal

> 
> ---
> base-commit: a64dcfb451e254085a7daee5fe51bf22959d52d3
> change-id: 20250209-e610-self-85eac1f0e338
> 
> Best regards,
> -- 
> Ethan Carter Edwards <ethan@ethancedwards.com>

WARNING: multiple messages have this Message-ID (diff)
From: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
To: Ethan Carter Edwards <ethan@ethancedwards.com>
Cc: Piotr Kwapulinski <piotr.kwapulinski@intel.com>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Jedrzej Jagielski <jedrzej.jagielski@intel.com>,
	Simon Horman <horms@kernel.org>,
	Stefan Wegrzyn <stefan.wegrzyn@intel.com>,
	Michal Swiatkowski <michal.swiatkowski@linux.intel.com>,
	intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH] ixgbe: remove self assignment
Date: Mon, 10 Feb 2025 06:36:43 +0100	[thread overview]
Message-ID: <Z6mQa0l6Y4tb9BrY@mev-dev.igk.intel.com> (raw)
In-Reply-To: <20250209-e610-self-v1-1-34c6c46ffe11@ethancedwards.com>

On Sun, Feb 09, 2025 at 11:47:24PM -0500, Ethan Carter Edwards wrote:
> Variable self assignment does not have any effect.
> 
> Addresses-Coverity-ID: 1641823 ("Self assignment")
> Fixes: 46761fd52a886 ("ixgbe: Add support for E610 FW Admin Command Interface")
> Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>
> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
> index 683c668672d65535fca3b2fe6f58a9deda1188fa..6b0bce92476c3c5ec3cf7ab79864b394b592c6d4 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
> @@ -145,7 +145,6 @@ static int ixgbe_aci_send_cmd_execute(struct ixgbe_hw *hw,
>  	if ((hicr & IXGBE_PF_HICR_SV)) {
>  		for (i = 0; i < IXGBE_ACI_DESC_SIZE_IN_DWORDS; i++) {
>  			raw_desc[i] = IXGBE_READ_REG(hw, IXGBE_PF_HIDA(i));
> -			raw_desc[i] = raw_desc[i];
>  		}
>  	}
>  

Thanks for the patch. This change is already in progress [1] (I hope,
waiting for v3).

[1] https://lore.kernel.org/netdev/20250115034117.172999-1-dheeraj.linuxdev@gmail.com/

Thanks,
Michal

> 
> ---
> base-commit: a64dcfb451e254085a7daee5fe51bf22959d52d3
> change-id: 20250209-e610-self-85eac1f0e338
> 
> Best regards,
> -- 
> Ethan Carter Edwards <ethan@ethancedwards.com>

  reply	other threads:[~2025-02-10  5:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-10  4:47 [Intel-wired-lan] [PATCH] ixgbe: remove self assignment Ethan Carter Edwards
2025-02-10  4:47 ` Ethan Carter Edwards
2025-02-10  5:36 ` Michal Swiatkowski [this message]
2025-02-10  5:36   ` Michal Swiatkowski
2025-02-10 13:24 ` [Intel-wired-lan] " Andrew Lunn
2025-02-10 13:24   ` Andrew Lunn

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