commit a8081e346ad3f8bc2449052908095c2675a9996f
author Jayamohan Kallickal <jayamohank@gmail.com> Fri Apr 05 20:38:22 2013 -0700
committer James Bottomley <JBottomley@Parallels.com> Thu May 02 08:07:55 2013 -0700
tree 25e8a2afa808c5ddc762ff7e2b6cd33dc83e8e2e
parent 0283fbb18c873993c606a6c9660d6ac78493b37a

[SCSI] be2iscsi: Fix returning Failure when MBX fails with Insufficient buffer error

When MBX command fails with insufficent buffer, check for the
response lenght returned. Return success if response length
is non-zero value which indicates valid data.

Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/be2iscsi/be_cmds.h

diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index 0f8c920..a338625 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -52,6 +52,10 @@
 
 /* Completion Status */
 #define MCC_STATUS_SUCCESS 0x0
+#define MCC_STATUS_FAILED 0x1
+#define MCC_STATUS_ILLEGAL_REQUEST 0x2
+#define MCC_STATUS_ILLEGAL_FIELD 0x3
+#define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
 
 #define CQE_STATUS_COMPL_MASK 0xFFFF
 #define CQE_STATUS_COMPL_SHIFT 0	/* bits 0 - 15 */