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-rw-r--r--src/class/msc/msc_device.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c
index ec804dcc8..3adcbc985 100644
--- a/src/class/msc/msc_device.c
+++ b/src/class/msc/msc_device.c
@@ -48,6 +48,12 @@
#include "msc_device.h"
#include "device/usbd_pvt.h"
+VERIFY_STATIC(CFG_TUD_MSC_BUFSIZE < UINT16_MAX, "Size is not correct");
+
+#ifndef CFG_TUD_MSC_MAXLUN
+#define CFG_TUD_MSC_MAXLUN 1
+#endif
+
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+