spi: spidev: fix possible NULL dereference

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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: 9169051617 ("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>

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Sudip Mukherjee 2015-09-10 16:48:13 +05:30 • committed by Mark Brown

parent bc0195aad0

commit dd85ebf681

1 changed files with 2 additions and 1 deletions

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drivers/spi/spidev.c

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