From: Thomas Gleixner <tglx@linutronix.de>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: linux-kernel@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH 2/2] genirq: proc: fix a procfs entry leak
Date: Fri, 25 Aug 2023 16:58:26 +0200 [thread overview]
Message-ID: <87v8d3b23x.ffs@tglx> (raw)
In-Reply-To: <CAMRc=MdYteOxy87jdSEvBxnN7tx_J1X2aSsRzKZ6WKL31-ipmA@mail.gmail.com>
On Fri, Aug 25 2023 at 13:01, Bartosz Golaszewski wrote:
> On Fri, Aug 25, 2023 at 10:11 AM Thomas Gleixner <tglx@linutronix.de> wrote:
> I was under the impression that the whole irqnum-to-irq_desc mapping
> was designed to handle this situation on purpose, hence a check for
> !desc and a silent return in free_irq(). If a missing mapping was a
> bug, then it would warrant at least a warning, right?
The check for !desc has nothing to do with the problem you are trying to
solve. There is obviously a valid interrupt descriptor so desc != NULL,
otherwise there would be no procfs entries and no actions, no?
Thanks,
tglx
next prev parent reply other threads:[~2023-08-25 14:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-14 9:36 [PATCH 0/2] genirq: don't leak handler procfs entries Bartosz Golaszewski
2023-08-14 9:36 ` [PATCH 1/2] genirq: proc: drop unused argument from unregister_handler_proc() Bartosz Golaszewski
2023-08-14 9:36 ` [PATCH 2/2] genirq: proc: fix a procfs entry leak Bartosz Golaszewski
2023-08-24 20:12 ` Thomas Gleixner
2023-08-25 7:36 ` brgl
2023-08-25 8:11 ` Thomas Gleixner
2023-08-25 11:01 ` Bartosz Golaszewski
2023-08-25 14:58 ` Thomas Gleixner [this message]
2023-08-25 17:08 ` Thomas Gleixner
2023-08-25 20:07 ` Bartosz Golaszewski
2023-08-26 15:08 ` Thomas Gleixner
2023-08-28 10:06 ` Bartosz Golaszewski
2023-08-28 12:41 ` Thomas Gleixner
2023-08-28 19:03 ` Bartosz Golaszewski
2023-08-28 21:44 ` Thomas Gleixner
2023-08-29 6:26 ` Bartosz Golaszewski
2023-08-29 9:11 ` Thomas Gleixner
2023-08-29 12:24 ` Bartosz Golaszewski
2023-08-29 20:18 ` Greg Kroah-Hartman
2023-08-29 22:29 ` Thomas Gleixner
2023-09-06 14:54 ` Bartosz Golaszewski
2023-09-12 18:16 ` Thomas Gleixner
2023-09-15 19:50 ` Bartosz Golaszewski
2023-11-13 20:53 ` Bartosz Golaszewski
2023-11-14 12:27 ` Greg Kroah-Hartman
2023-11-14 13:25 ` Linus Walleij
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