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From: Hans de Goede <hdegoede@redhat.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Peter Huewe <peterhuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
	Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-integrity@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] tpm: Switch to platform_get_irq_optional()
Date: Mon, 21 Oct 2019 17:56:56 +0200	[thread overview]
Message-ID: <80409d36-53fa-d159-d864-51b8495dc306@redhat.com> (raw)
In-Reply-To: <20191021154942.GB4525@linux.intel.com>

Hi,

On 21-10-2019 17:49, Jarkko Sakkinen wrote:
> On Sat, Oct 19, 2019 at 11:45:28AM +0200, Hans de Goede wrote:
>> Since commit 7723f4c5ecdb ("driver core: platform: Add an error message to
>> platform_get_irq*()"), platform_get_irq() will call dev_err() on an error,
>> as the IRQ usage in the tpm_tis driver is optional, this is undesirable.
>>
>> Specifically this leads to this new false-positive error being logged:
>> [    5.135413] tpm_tis MSFT0101:00: IRQ index 0 not found
>>
>> This commit switches to platform_get_irq_optional(), which does not log
>> an error, fixing this.
>>
>> Cc: <stable@vger.kernel.org> # 5.4.x
> 
> Incorrect format (should be wo '<' and '>').

According to:

https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

the '<' and '>' should be added when adding a # <kerner>

> Also, not sure why this should be backported to stable kernel anyway.

Because false-positive error messages are bad and cause users to
file false-positive bug-reports.

Regards,

Hans


  reply	other threads:[~2019-10-21 15:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-19  9:45 [PATCH] tpm: Switch to platform_get_irq_optional() Hans de Goede
2019-10-21 14:05 ` Jason Gunthorpe
2019-10-23 11:32   ` Jarkko Sakkinen
2019-10-24 15:36     ` Jason Gunthorpe
2019-10-21 15:49 ` Jarkko Sakkinen
2019-10-21 15:56   ` Hans de Goede [this message]
2019-10-23 11:37     ` Jarkko Sakkinen
2019-10-23 14:32       ` Hans de Goede
2019-10-24 14:25         ` Jarkko Sakkinen
2019-10-24 14:27           ` Hans de Goede
2019-10-24 19:09             ` Jarkko Sakkinen
2019-10-24 19:11               ` Jason Gunthorpe
2019-10-25  9:13               ` Hans de Goede
2019-10-28 20:47                 ` Jarkko Sakkinen

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