Messages in this thread |  | | Date | Thu, 17 Jan 2013 17:37:43 -0800 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] drivers: avoid use after free of a pinctrl context pointer |
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On Wed, Jan 16, 2013 at 05:22:34PM +0100, Guennadi Liakhovetski wrote: > During probing, pinctrl context is allocated and assigned to the struct > device::pins pointer. If probing fails or if the driver is later unbound > and re-probed again, the memory is freed, but the pointer is not cleared. > On a repeated probing attempt a non-NULL pointer indicates an already > allocated context, which then gets used. To avoid this the pointer must > be cleared. > > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > --- > drivers/base/dd.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-)
This can't go through my tree, as it breaks the build. Please send it to whereever the pinctrl code is coming from.
thanks,
greg k-h
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