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authorGuenter Roeck <linux@roeck-us.net>2012-08-18 18:29:23 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-22 20:26:36 +0200
commitc8c87c656f95d764eb2b460b46b0144794108da4 (patch)
treeeb464c0c2333ca38cd04a2ca00bc2ca3c78836d0 /include
parentspi/mpc52xx: Fix device remove function (diff)
downloadlinux-c8c87c656f95d764eb2b460b46b0144794108da4.tar.xz
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spi/mpc52xx-psc: Avoid access to freed memory in device remove function
The call to spi_unregister_master() in the device remove function frees device memory, and with it any device local data. However, device local data is still accessed after the call to spi_unregister_master(). Acquire a reference to the SPI master device and release it after cleanup is complete to solve the problem. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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