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authorDavid Brownell <dbrownell@users.sourceforge.net>2008-06-06 01:45:50 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-06 14:29:08 -0400
commitb2c8daddcbe03a22402ecf943bb88302601c6835 (patch)
tree326282263d7ef47c18e02fee77ffd586457c69e8 /crypto/xts.c
parent39b945a37bac2b692773a470890c8ba301485b15 (diff)
spi: fix refcount-related spidev oops-on-rmmod
This addresses other oopsing paths in "spidev" by changing how it manages refcounting. It decouples the lifecycle of the per-device data from the class device (not just the spi device): - Use class_{create,destroy} not class_{register,unregister}. - Use device_{create,destroy} not device_{register,unregister}. - Free the per-device data only when TWO conditions are true: * Driver is unbound from underlying SPI device, and * Device is no longer open (new) Also, spi_{get,set}_drvdata not dev_{get,set}_drvdata for simpler code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Sebastian Siewior <bigeasy@tglx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'crypto/xts.c')
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