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| author | Krzysztof Kozlowski <[email protected]> | 2020-06-22 11:05:40 +0000 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2020-06-22 12:50:26 +0000 |
| commit | 7684580d45bd3d84ed9b453a4cadf7a9a5605a3f (patch) | |
| tree | 8693e37d77bb3382066df3b68950098964c2a4d8 /tools/perf/scripts/python/netdev-times.py | |
| parent | spi: spidev: fix a potential use-after-free in spidev_release() (diff) | |
| download | kernel-7684580d45bd3d84ed9b453a4cadf7a9a5605a3f.tar.gz kernel-7684580d45bd3d84ed9b453a4cadf7a9a5605a3f.zip | |
spi: spi-fsl-dspi: Fix lockup if device is removed during SPI transfer
During device removal, the driver should unregister the SPI controller
and stop the hardware. Otherwise the dspi_transfer_one_message() could
wait on completion infinitely.
Additionally, calling spi_unregister_controller() first in device
removal reverse-matches the probe function, where SPI controller is
registered at the end.
Fixes: 05209f457069 ("spi: fsl-dspi: add missing clk_disable_unprepare() in dspi_remove()")
Reported-by: Vladimir Oltean <[email protected]>
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Cc: <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/netdev-times.py')
0 files changed, 0 insertions, 0 deletions