Messages in this thread | | | Date | Wed, 27 Jan 2021 21:46:40 +0100 (CET) | From | Richard Weinberger <> | Subject | Re: [PATCH] mtd: use refcount to prevent corruption |
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Tomas,
----- Ursprüngliche Mail ----- > Von: "Tomas Winkler" <tomas.winkler@intel.com> > An: "Miquel Raynal" <miquel.raynal@bootlin.com>, "richard" <richard@nod.at>, "Vignesh Raghavendra" <vigneshr@ti.com>, > "linux-mtd" <linux-mtd@lists.infradead.org>, "linux-kernel" <linux-kernel@vger.kernel.org> > CC: "Tomas Winkler" <tomas.winkler@intel.com> > Gesendet: Mittwoch, 27. Januar 2021 21:03:19 > Betreff: [PATCH] mtd: use refcount to prevent corruption
> When underlying device is removed mtd core will crash > in case user space is still holding an open handle to a mtd device node. > A proper refcounting is needed so device is release only when a > partition has no active users. The current simple counter is not > sufficient.
Can you please explain a little more what devices are involved? Does it implement _get_device() and _put_device()?
Thanks, //richard
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