[SCSI] megaraid_{mm,mbox}: a fix on INQUIRY with EVPD

With this patch, driver will protect data corruption created by
INQUIRY with EVPD request to megaraid controllers.  As specified in
the changelog, megaraid F/W already has fixed the issue and being
under process of release. Meanwhile, driver will protect the system
with this patch.

Signed-Off By: Seokmann Ju <seokmann.ju@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/scsi/ChangeLog.megaraid b/Documentation/scsi/ChangeLog.megaraid
index fd8939e0045d..0edb048b2ea4 100644
--- a/Documentation/scsi/ChangeLog.megaraid
+++ b/Documentation/scsi/ChangeLog.megaraid
@@ -59,6 +59,13 @@ Older Version	: 2.20.4.8 (scsi module), 2.20.2.6 (cmm module)
         > Buffer I/O error on device sda6, logical block 522067228
         > attempt to access beyond end of device
 
+2.      When INQUIRY with EVPD bit set issued to the MegaRAID controller,
+        system memory gets corrupted.
+        Root Cause: MegaRAID F/W handle the INQUIRY with EVPD bit set
+        incorrectly.
+        Fix: MegaRAID F/W has fixed the problem and being process of release,
+        soon. Meanwhile, driver will filter out the request.
+
 Release Date    : Mon Apr 11 12:27:22 EST 2006 - Seokmann Ju <sju@lsil.com>
 Current Version : 2.20.4.8 (scsi module), 2.20.2.6 (cmm module)
 Older Version   : 2.20.4.7 (scsi module), 2.20.2.6 (cmm module)