1 files changed, 2 insertions, 1 deletions

diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
index e0593bfae622..f2a2c1169486 100644
--- a/include/scsi/iscsi_proto.h
+++ b/include/scsi/iscsi_proto.h
@@ -22,6 +22,7 @@
 #define ISCSI_PROTO_H
 
 #include <linux/types.h>
+#include <scsi/scsi.h>
 
 #define ISCSI_DRAFT20_VERSION   0x00
 
@@ -156,7 +157,7 @@ struct iscsi_ecdb_ahdr {
         uint8_t ahstype;
         uint8_t reserved;
         /* 4-byte aligned extended CDB spillover */
-        uint8_t ecdb[260 - ISCSI_CDB_SIZE];
+        uint8_t ecdb[SCSI_MAX_VARLEN_CDB_SIZE - ISCSI_CDB_SIZE];
 };
 
 /* SCSI Response Header */