Re: [PATCH 03/24] usb/otg/isp1301_omap: Fix dangling pointer

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On Sat, Mar 20, 2010 at 10:09:07PM +0200, Felipe Balbi wrote:
> On Sat, Mar 20, 2010 at 03:12:44PM +0100, Wolfram Sang wrote:
> > Fix this i2c-driver which missed setting clientdata to NULL before freeing the
> > structure it points to. Found by a semantic patch, but fixed by hand.
> > 
> > Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
> > Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
> 
> Acked-by: Felipe Balbi <felipe.balbi@xxxxxxxxx>
> 
> Greg,
> 
> if you wish, you can take queue it already unless Dave has any comments.

Thanks but:

please drop this this patch. We reached an agreement that a) setting the
clientdata-pointer to NULL should be done in the i2c-core [1] and b) how to do
it. Based on that, I will do the modification of the i2c-core for 2.6.34 (as it
fixes the dangling pointers) and then create one single patch removing the then
superflous calls to i2c_set_clientdata for 2.6.35 (as it is a cleanup). If you
already applied the above patch to your branch, you don't have to revert; we
will fix it for you in the next round.

Sorry for the detour!

Kind regards,

   Wolfram

[1] http://thread.gmane.org/gmane.linux.drivers.i2c/5674/focus=5729

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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