Messages in this thread | | | Date | Thu, 31 Mar 2016 14:39:53 +0800 | From | Shawn Guo <> | Subject | Re: [PATCH] irqchip/mxs: fix error check of of_io_request_and_map() |
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On Wed, Mar 09, 2016 at 03:21:40AM +0200, Vladimir Zapolskiy wrote: > The of_io_request_and_map() returns a valid pointer in iomem region or > ERR_PTR(), check for NULL always fails and may cause a NULL pointer > dereference on error path. > > Fixes: 25e34b44313b ("irqchip/mxs: Prepare driver for hardware with different offsets") > Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
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