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authorAaro Koskinen2009-04-14 15:47:00 -0500
committerJames Bottomley2009-05-20 17:21:14 -0500
commitfa8584566cc9cdaf067dbc12132792887a521da9 (patch)
treee103d0c9b1885ad8c017ea5f20b7881f06e85239 /Documentation/powerpc/sound.txt
parent410604d25faddb1b4f0f9667b7452c06cc06cea1 (diff)
[SCSI] sym53c8xx_2: slave_alloc/destroy safety (2.6.27.5)
Make the sym53c8xx_2 driver slave_alloc/destroy less unsafe. References to the destroyed LCB are cleared from the target structure (instead of leaving a dangling pointer), and when the last LCB for the target is destroyed the reference to the upper layer target data is cleared. The host lock is used to prevent a race with the interrupt handler. Also user commands are prevented for targets with all LCBs destroyed. Signed-off-by: Aaro Koskinen <Aaro.Koskinen@nokia.com> Tested-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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