Re: [PATCH 13/24] mfd: fix dangling pointers

[Mark Brown]

On Sat, Mar 20, 2010 at 03:12:54PM +0100, Wolfram Sang wrote:
> Fix I2C-drivers which missed setting clientdata to NULL before freeing the
> structure it points to. Also fix drivers which do this _after_ the structure
> was freed already.

Acked-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

but it really does seem like this is something that the I2C core ought
to handle - the assignment to null is boiler plate code that's getting
added to the overwhelming majority of I2C devices in their teardown
path, it'd seem a lot more sensible for the core to just trash driver
data after the driver is unbound if it's important that this happens.
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