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f3db032f1a
Fix for dead lock occurring between host_lock and sas_device_lock. The deadlock is between two spin locks, between the shost->host_lock and driver ioc->sas_device_lock. The fix is to rearrange the code in the FW/Driver device removal handshake so the ioc->sas_device_lock is not occurring when the shost->host_lock is taken. [jejb: zero initialise sas_address to fix spurious compiler warning] Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>