Commits
Ke Wei committed 4e52fc0a0a2
[SCSI] mvsas: check hd whether unplugged if unplugged, driver's queuecommand function will return SAS_PHY_DOWN. task->lldd_task is used for saving its slot info. Signed-off-by: Ke Wei <kewei@marvell.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>