1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.h b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
index dbb6c0cf8889..4da11435533f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.h
@@ -50,7 +50,7 @@
 #endif
 
 #define MPT2SAS_DEV_NAME        "mpt2ctl"
-#define MPT2_MAGIC_NUMBER       'm'
+#define MPT2_MAGIC_NUMBER       'L'
 #define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
 
 /**
@@ -295,8 +295,9 @@ struct mpt2_ioctl_btdh_mapping {
 
 
 /* status bits for ioc->diag_buffer_status */
-#define MPT2_DIAG_BUFFER_IS_REGISTERED  (0x01)
-#define MPT2_DIAG_BUFFER_IS_RELEASED    (0x02)
+#define MPT2_DIAG_BUFFER_IS_REGISTERED  (0x01)
+#define MPT2_DIAG_BUFFER_IS_RELEASED    (0x02)
+#define MPT2_DIAG_BUFFER_IS_DIAG_RESET  (0x04)
 
 /* application flags for mpt2_diag_register, mpt2_diag_query */
 #define MPT2_APP_FLAGS_APP_OWNED        (0x0001)