Re: [Patch v2] spi: fsl-dspi: fix wrong pointer in suspend/resume

From: Vladimir Oltean
Date: Tue Nov 03 2020 - 19:40:20 EST


On Tue, Nov 03, 2020 at 10:05:46AM +0800, Qiang Zhao wrote:
> From: Zhao Qiang <qiang.zhao@xxxxxxx>
>
> Since commit 530b5affc675 ("spi: fsl-dspi: fix use-after-free in
> remove path"), this driver causes a "NULL pointer dereference"
> in dspi_suspend/resume.
> This is because since this commit, the drivers private data point to
> "dspi" instead of "ctlr", the codes in suspend and resume func were
> not modified correspondly.
>
> Fixes: 530b5affc675 ("spi: fsl-dspi: fix use-after-free in remove path")
> Signed-off-by: Zhao Qiang <qiang.zhao@xxxxxxx>
> ---

Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>