Re: [PATCH v2] driver core: Fix device link device name collision

[Michael Walle]

Am 2021-01-08 01:14, schrieb Michael Walle:
> Am 2021-01-08 00:41, schrieb Saravana Kannan:
> > The device link device's name was of the form:
> > <supplier-dev-name>--<consumer-dev-name>
> >
> > This can cause name collision as reported here [1] as device names are
> > not globally unique. Since device names have to be unique within the
> > bus/class, add the bus/class name as a prefix to the device names used 
> > to
> > construct the device link device name.
> >
> > So the devuce link device's name will be of the form:
> > <supplier-bus-name>:<supplier-dev-name>--<consumer-bus-name>:<consumer-dev-name>
> >
> > [1] - 
> > https://lore.kernel.org/lkml/20201229033440.32142-1-michael@xxxxxxxx/
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Fixes: 287905e68dd2 ("driver core: Expose device link details in 
> > sysfs")
> > Reported-by: Michael Walle <michael@xxxxxxxx>
> > Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>
> > ---
>
> This makes it even worse.

Mhh, actually there are now other errors (the ones before might be 
fixed). Seems
to be truncated filenames and for the iommu ones, I don't know.

--
-michael