linux-kernel - Re: [PATCH v4 2/4] iio: vcnl4000: Add event support for VCNL4010/20.

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 for Android: free password hash cracker in your pocket

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

Date:   Wed, 22 Apr 2020 10:02:11 +0200
From:   Mathieu Othacehe <m.othacehe@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald <pmeerw@...erw.net>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/4] iio: vcnl4000: Add event support for VCNL4010/20.


Hello Andy,

>> +               ret = devm_request_threaded_irq(&client->dev, client->irq,
>> +                                               NULL, vcnl4010_irq_thread,
>> +                                               IRQF_TRIGGER_FALLING |
>
>> +                                               IRQF_ONESHOT,
>
> Isn't it by default when threaded IRQ is asked with NULL for hw handler?

No, and it fails with this error message if IRQF_ONESHOT is not set:

pr_err("Threaded irq requested with handler=NULL and !ONESHOT for %s (irq %d)\n",

Thanks,

Mathieu