linux-kernel - Re: [PATCH v1 1/2] ata: libahci_platform: Get rid of dup message when IRQ can't be retrieved

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YbI/6OIKM7qvLQcp@smile.fi.intel.com>
Date:   Thu, 9 Dec 2021 19:42:00 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Sergey Shtylyov <s.shtylyov@....ru>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Hans de Goede <hdegoede@...hat.com>,
        Jens Axboe <axboe@...nel.dk>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>
Subject: Re: [PATCH v1 1/2] ata: libahci_platform: Get rid of dup message
 when IRQ can't be retrieved

On Thu, Dec 09, 2021 at 08:24:59PM +0300, Sergey Shtylyov wrote:
> On 12/9/21 5:59 PM, Andy Shevchenko wrote:
> 
> > platform_get_irq() will print a message when it fails.
> > No need to repeat this.
> > 
> > While at it, drop redundant check for 0 as platform_get_irq() spills
> > out a big WARN() in such case.
> 
>    And? IRQ0 is still returned! :-(

It should not be returned in the first place.

...

> > -	if (!irq)
> > -		return -EINVAL;
> 
>    This is prermature -- let's wait till my patch that stops returning IRQ0 from
> platform_get_irq() and friends gets merged....

What patch?

Does it fix platform_get_irq_optional()?

-- 
With Best Regards,
Andy Shevchenko