From: Quan Nguyen <quan@os.amperecomputing.com>
To: corey@minyard.net
Cc: Cosmo Chou <chou.cosmo@gmail.com>,
openipmi-developer@lists.sourceforge.net,
linux-kernel@vger.kernel.org, cosmo.chou@quantatw.com,
potin.lai@quantatw.com, minyard@acm.org
Subject: Re: [PATCH] ipmi: ssif_bmc: Move smbus_cmd assignment after cleanup
Date: Mon, 6 Jan 2025 09:32:22 +0700 [thread overview]
Message-ID: <344a5d68-bcb5-46c1-ba58-8cd95c3ac4ee@os.amperecomputing.com> (raw)
In-Reply-To: <Z3ffxfF6eEtvqOxx@mail.minyard.net>
On 03/01/2025 20:01, Corey Minyard wrote:
> On Fri, Jan 03, 2025 at 10:44:46AM +0700, Quan Nguyen wrote:
>>
>>
>> On 01/01/2025 23:54, Cosmo Chou wrote:
>>> Move smbus_cmd assignment to the end of process_smbus_cmd() to ensure
>>> the new command is not lost when complete_response() is triggered.
>>>
>>
>> Thanks Cosmo for the catch.
>>
>> And, IMHO, the root cause is the memset() on part buffer called in
>> complete_response() is not quite correct. In the current implementation, the
>> complete_response() should only be called when the READ is completed, ie:
>> only on I2C_SLAVE_STOP of READ transaction, otherwise all the info of
>> current on-going request will be mistakenly cleared as in this case.
>>
>> This patch is good and I wonder if we can make this a bit further as below?
>
> Yes, this is probably more future proof.
>
> Can you send me a formal patch, with a "Found-by:" for Cosmo? I'll
> replace Cosmo's patch.
>
Thanks Corey,
Will send the formal patch later.
Thanks,
-- Quan
prev parent reply other threads:[~2025-01-06 2:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-01 16:54 [PATCH] ipmi: ssif_bmc: Move smbus_cmd assignment after cleanup Cosmo Chou
2025-01-03 3:20 ` Corey Minyard
2025-01-03 3:49 ` Quan Nguyen
2025-01-03 3:44 ` Quan Nguyen
2025-01-03 13:01 ` Corey Minyard
2025-01-06 2:32 ` Quan Nguyen [this message]
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