[SCSI] constants.c: Update ASC list and make it const

Add missing additional sense code and provide pointer to upstream
reference (from Doug Gilbert).

Add missing const (from Michael Tokarev).

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/constants.c

@@ -404,7 +404,11 @@ struct error_info {
 	const char * text;
 };
 
-static struct error_info additional[] =
+/*
+ * The canonical list of T10 Additional Sense Codes is available at:
+ * http://www.t10.org/lists/asc-num.txt
+ */
+static const struct error_info additional[] =
 {
 	{0x0000, "No additional sense information"},
 	{0x0001, "Filemark detected"},
@@ -708,6 +712,7 @@ static struct error_info additional[] =
 
 	{0x2F00, "Commands cleared by another initiator"},
 	{0x2F01, "Commands cleared by power loss notification"},
+	{0x2F02, "Commands cleared by device server"},
 
 	{0x3000, "Incompatible medium installed"},
 	{0x3001, "Cannot read medium - unknown format"},