From: Bjorn Helgaas <helgaas@kernel.org>
To: Dmitry Safonov <dima@arista.com>
Cc: Daniel Stodden <dns@arista.com>,
Kurt Schwemmer <kurt.schwemmer@microsemi.com>,
Logan Gunthorpe <logang@deltatee.com>,
linux-pci@vger.kernel.org
Subject: Re: [PATCH v3] switchtec: Fix stdev_release crash after suprise device loss.
Date: Tue, 21 Nov 2023 18:37:11 -0600 [thread overview]
Message-ID: <20231122003711.GA265235@bhelgaas> (raw)
In-Reply-To: <eb27909b-931e-406e-a77d-b77f7305b532@arista.com>
On Wed, Nov 22, 2023 at 12:25:48AM +0000, Dmitry Safonov wrote:
> On 11/22/23 00:19, Bjorn Helgaas wrote:
> > On Tue, Nov 21, 2023 at 03:58:22PM -0800, Daniel Stodden wrote:
> >>> On Nov 21, 2023, at 10:40 AM, Bjorn Helgaas <helgaas@kernel.org> wrote:
> >>> On Tue, Nov 21, 2023 at 10:23:51AM -0800, Daniel Stodden wrote:
> >>>>> On Nov 20, 2023, at 1:25 PM, Bjorn Helgaas <helgaas@kernel.org> wrote:
> >>>>> On Mon, Nov 13, 2023 at 01:21:50PM -0800, Daniel Stodden wrote:
> >>>>>> A pci device hot removal may occur while stdev->cdev is held open. The
> >>>>>> call to stdev_release is then delivered during close or exit, at a
> >>>>>> point way past switchtec_pci_remove. Otherwise the last ref would
> >>>>>> vanish with the trailing put_device, just before return.
> It's fine to drop my SoB. With the fixup above,
>
> Reviewed-by: Dmitry Safonov <dima@arista.com>
Done, thanks!
next prev parent reply other threads:[~2023-11-22 0:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-13 21:21 [PATCH v3 0/1] switchtec: Fix stdev_release crash after suprise device loss Daniel Stodden
2023-11-13 21:21 ` [PATCH v3] " Daniel Stodden
2023-11-20 21:25 ` Bjorn Helgaas
2023-11-21 18:23 ` Daniel Stodden
2023-11-21 18:40 ` Bjorn Helgaas
2023-11-21 23:58 ` Daniel Stodden
2023-11-22 0:02 ` Daniel Stodden
2023-11-22 0:39 ` Bjorn Helgaas
2023-11-22 0:19 ` Bjorn Helgaas
2023-11-22 0:25 ` Dmitry Safonov
2023-11-22 0:37 ` Bjorn Helgaas [this message]
2023-11-22 0:37 ` Dmitry Safonov
2023-11-22 0:41 ` Bjorn Helgaas
2023-11-22 1:02 ` Daniel Stodden
2023-11-22 3:16 ` Bjorn Helgaas
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