| commit | 530b5affc675ade5db4a03f04ed7cd66806c8a1a | [log] [tgz] |
|---|---|---|
| author | Sascha Hauer <s.hauer@pengutronix.de> | Wed Sep 23 15:10:26 2020 +0200 |
| committer | Mark Brown <broonie@kernel.org> | Wed Sep 23 17:31:14 2020 +0100 |
| tree | d4070e5983f6f0416b7cc280bc9f44a405e360e9 | |
| parent | b867eef4cf548cd9541225aadcdcee644669b9e1 [diff] |
spi: fsl-dspi: fix use-after-free in remove path spi_unregister_controller() not only unregisters the controller, but also frees the controller. This will free the driver data with it, so we must not access it later dspi_remove(). Solve this by allocating the driver data separately from the SPI controller. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://lore.kernel.org/r/20200923131026.20707-1-s.hauer@pengutronix.de Signed-off-by: Mark Brown <broonie@kernel.org>