tree c6b389d9acafd043ddbc5b8ea159f1ee1d4fc899
parent f4c9a1317d32bb0af7546ef0c1dcc3be52dc8d0a
author Yang, Bo <Bo.Yang@lsi.com> 1254862055 -0600
committer James Bottomley <James.Bottomley@suse.de> 1256835801 -0400

[SCSI] megaraid_sas: Fix the fix for fw hang caused by megaraid sas application

Add a lock to the skinny firmware initialisation sequence to prevent
the two stage write being non atomic if multiple instances use it.

Add a flag to the driver shutdown sequence to prevent aen ioctls being
called after shutdown begins.

Signed-off-by Bo Yang<bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>