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authorGuenter Roeck <linux@roeck-us.net>2012-08-18 16:29:24 (GMT)
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-22 18:26:36 (GMT)
commit21879213652aca6e3fe250fc8e02c68e71c5e18a (patch)
treee94afd325ba10f85e99d979e392ee498cd4bcad7 /Documentation/spi
parentc8c87c656f95d764eb2b460b46b0144794108da4 (diff)
spi/mpc512x-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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