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| author | Zhenzhong Duan <[email protected]> | 2020-06-18 03:21:25 +0000 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2020-06-18 16:47:00 +0000 |
| commit | 06096cc6c5a84ced929634b0d79376b94c65a4bd (patch) | |
| tree | 20308a74b1a841161edebc9abcf1f566bfae01ca /drivers/spi/spi-fsl-dspi.c | |
| parent | spi: spidev: fix a race between spidev_release and spidev_remove (diff) | |
| download | kernel-06096cc6c5a84ced929634b0d79376b94c65a4bd.tar.gz kernel-06096cc6c5a84ced929634b0d79376b94c65a4bd.zip | |
spi: spidev: fix a potential use-after-free in spidev_release()
If an spi device is unbounded from the driver before the release
process, there will be an NULL pointer reference when it's
referenced in spi_slave_abort().
Fix it by checking it's already freed before reference.
Signed-off-by: Zhenzhong Duan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
0 files changed, 0 insertions, 0 deletions