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| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-09-10 16:48:13 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-09-11 13:26:38 +0100 |
| commit | dd85ebf681ef0ee1fc985c353dd45e8b53b5dc1e (patch) | |
| tree | f98f45ded2eb2d7af97cf59515f30de61c669f5c /drivers/spi/spi-rockchip.c | |
| parent | bc0195aad0daa2ad5b0d76cce22b167bc3435590 (diff) | |
| download | op-kernel-dev-dd85ebf681ef0ee1fc985c353dd45e8b53b5dc1e.zip op-kernel-dev-dd85ebf681ef0ee1fc985c353dd45e8b53b5dc1e.tar.gz | |
spi: spidev: fix possible NULL dereference
During the last close we are freeing spidev if spidev->spi is NULL, but
just before checking if spidev->spi is NULL we are dereferencing it.
Lets add a check there to avoid the NULL dereference.
Fixes: 9169051617df ("spi: spidev: Don't mangle max_speed_hz in underlying spi device")
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-rockchip.c')
0 files changed, 0 insertions, 0 deletions
