1 files changed, 9 insertions, 1 deletions
diff --git a/src/class/msc/msc.h b/src/class/msc/msc.h
index 59df6bed6..e7c32b303 100644
--- a/src/class/msc/msc.h
+++ b/src/class/msc/msc.h
@@ -52,6 +52,10 @@
  extern "C" {
 #endif
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpacked"
+#pragma GCC diagnostic ignored "-Wattributes"
+
 //--------------------------------------------------------------------+
 // Mass Storage Class Constant
 //--------------------------------------------------------------------+
@@ -279,11 +283,13 @@ typedef struct ATTR_PACKED
 
 TU_VERIFY_STATIC( sizeof(scsi_mode_sense6_t) == 6, "size is not correct");
 
+// This is only a Mode parameter header(6).
 typedef struct ATTR_PACKED
 {
   uint8_t data_len;
   uint8_t medium_type;
-  uint8_t device_specific_para;
+  bool write_protected : 1;
+  uint8_t reserved : 7;
   uint8_t block_descriptor_len;
 } scsi_mode_sense6_resp_t;
 
@@ -390,6 +396,8 @@ typedef struct ATTR_PACKED
 TU_VERIFY_STATIC(sizeof(scsi_read10_t) == 10, "size is not correct");
 TU_VERIFY_STATIC(sizeof(scsi_write10_t) == 10, "size is not correct");
 
+#pragma GCC diagnostic pop
+
 #ifdef __cplusplus
  }
 #endif