From: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
To: Ally Heev <allyheev@gmail.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>
Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, Simon Horman <horms@kernel.org>,
Dan Carpenter <dan.carpenter@linaro.org>
Subject: Re: [PATCH RFT net-next 2/2] idpf: remove __free usage in idpf_virtchnl
Date: Tue, 4 Aug 2026 15:56:58 -0700 [thread overview]
Message-ID: <ae840989-03df-4e84-a9cc-46c51f6dd44e@oss.qualcomm.com> (raw)
In-Reply-To: <72754805-575c-4568-9dab-514e1b758847@oss.qualcomm.com>
On 8/4/2026 3:54 PM, Jeff Johnson wrote:
> On 11/16/2025 7:56 AM, Ally Heev wrote:
>> usage of cleanup attributes is discouraged in net [1], achieve cleanup
>> using goto. In this patch though, only uninitialized pointers with __free
>> attribute are cleaned as they can cause undefined behavior when they
>> go out of scope
>>
>> Suggested-by: Simon Horman <horms@kernel.org>
>> Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
>> Closes: https://lore.kernel.org/all/aPiG_F5EBQUjZqsl@stanley.mountain/
>> Signed-off-by: Ally Heev <allyheev@gmail.com>
>>
>> [1] https://docs.kernel.org/process/maintainer-netdev.html#using-device-managed-and-cleanup-h-constructs
>
> <SMH>
>
> If using __free() *correctly* gives more readable code, why wouldn't we do it?
>
> The only problem with this function is that it doesn't follow the guidance
> from cleanup.h:
>
> * the recommendation is to always define and assign variables in one
> * statement and not group variable definitions at the top of the
> * function when __free() is used.
OMG, not sure why Thunderbird showed this as a recent unread e-mail.
Please ignore this noise!
next prev parent reply other threads:[~2026-08-04 22:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-16 15:56 [PATCH RFT net-next 0/2] ethernet: intel: fix freeing uninitialized pointers with __free Ally Heev
2025-11-16 15:56 ` [PATCH RFT net-next 1/2] ice: remove __free usage in ice_flow Ally Heev
2025-11-16 15:56 ` [PATCH RFT net-next 2/2] idpf: remove __free usage in idpf_virtchnl Ally Heev
2026-08-04 22:54 ` Jeff Johnson
2026-08-04 22:56 ` Jeff Johnson [this message]
2026-08-05 11:56 ` __free usage Przemek Kitszel
2026-08-07 14:11 ` Jeff Johnson
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