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    SubjectRe: [PATCH 1/4] UIO: hold a reference to the device's owner while the device is open
    Uwe Kleine-König wrote:
    > Otherwise the device might just disappear while /dev/uioX is being used
    > which results in an Oops.
    To help your understanding, without this patch I can trigger the Oops
    by starting an app that does

    opening and mmapping /dev/uio0

    and then in another shell do

    rmmod uio_pdrv

    Best regards

    Uwe Kleine-König, Software Engineer
    Digi International GmbH Branch Breisach, Küferstrasse 8, 79206 Breisach, Germany
    Tax: 315/5781/0242 / VAT: DE153662976 / Reg. Amtsgericht Dortmund HRB 13962
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