On Mon, Jan 25, 2016 at 1:01 PM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> The commit 7d32cdef5356 ("usb: musb: fail with error when no DMA
> controller set"), caused the core platform driver to correctly return an
> error code when fail probing.
>
> Unfurtante it also caused bug for a NULL pointer dereference, during
> system suspend for the ux500 driver. The reason is a lacking validation
> of the corresponding ->driver_data pointer, which won't be set when the
> musb core driver fails to probe (or haven't yet been probed).
>
> Fixes: 7d32cdef5356 ("usb: musb: fail with error when no DMA...")
> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Yours,
Linus Walleij
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