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| H A D | spi.c | diff 67f7b2781fafcc0f52464880154b320fea1ae982 Mon Oct 30 11:35:25 CET 2017 Johan Hovold <johan@kernel.org> spi: fix use-after-free at controller deregistration
The controller is typically freed as part of device_unregister() so
store the bus id before deregistration to avoid use-after-free when the
id is later released.
Fixes: 9b61e302210e ("spi: Pick spi bus number from Linux idr or spi alias")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable <stable@vger.kernel.org>
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