3 files changed, 15 insertions, 16 deletions
diff --git a/examples/device/cdc_msc/src/main.c b/examples/device/cdc_msc/src/main.c
index 4581a3bab..f36c910d7 100644
--- a/examples/device/cdc_msc/src/main.c
+++ b/examples/device/cdc_msc/src/main.c
@@ -51,7 +51,11 @@ int main(void) {
   board_init();
 
   // init device stack on configured roothub port
-  tud_init(BOARD_TUD_RHPORT);
+  tusb_rhport_init_t dev_init = {
+    .role = TUSB_ROLE_DEVICE,
+    .speed = TUSB_SPEED_AUTO
+  };
+  tusb_init(BOARD_TUD_RHPORT, &dev_init);
 
   if (board_init_after_tusb) {
     board_init_after_tusb();
diff --git a/examples/device/cdc_msc/src/msc_disk.c b/examples/device/cdc_msc/src/msc_disk.c
index d2f8628f1..d325d77fa 100644
--- a/examples/device/cdc_msc/src/msc_disk.c
+++ b/examples/device/cdc_msc/src/msc_disk.c
@@ -190,7 +190,14 @@ int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buff
   (void) lun;
 
   // out of ramdisk
-  if ( lba >= DISK_BLOCK_NUM ) return -1;
+  if ( lba >= DISK_BLOCK_NUM ) {
+    return -1;
+  }
+
+  // Check for overflow of offset + bufsize
+  if ( offset + bufsize > DISK_BLOCK_SIZE ) {
+    return -1;
+  }
 
   uint8_t const* addr = msc_disk[lba] + offset;
   memcpy(buffer, addr, bufsize);
diff --git a/examples/device/cdc_msc/src/usb_descriptors.c b/examples/device/cdc_msc/src/usb_descriptors.c
index 2afa24903..4b6b88041 100644
--- a/examples/device/cdc_msc/src/usb_descriptors.c
+++ b/examples/device/cdc_msc/src/usb_descriptors.c
@@ -93,19 +93,7 @@ enum {
   #define EPNUM_MSC_OUT     0x05
   #define EPNUM_MSC_IN      0x85
 
-#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X
-  // SAMG & SAME70 don't support a same endpoint number with different direction IN and OUT
-  //    e.g EP1 OUT & EP1 IN cannot exist together
-  #define EPNUM_CDC_NOTIF   0x81
-  #define EPNUM_CDC_OUT     0x02
-  #define EPNUM_CDC_IN      0x83
-
-  #define EPNUM_MSC_OUT     0x04
-  #define EPNUM_MSC_IN      0x85
-
 #elif CFG_TUSB_MCU == OPT_MCU_CXD56
-  // CXD56 doesn't support a same endpoint number with different direction IN and OUT
-  //    e.g EP1 OUT & EP1 IN cannot exist together
   // CXD56 USB driver has fixed endpoint type (bulk/interrupt/iso) and direction (IN/OUT) by its number
   // 0 control (IN/OUT), 1 Bulk (IN), 2 Bulk (OUT), 3 In (IN), 4 Bulk (IN), 5 Bulk (OUT), 6 In (IN)
   #define EPNUM_CDC_NOTIF   0x83
@@ -115,8 +103,8 @@ enum {
   #define EPNUM_MSC_OUT     0x05
   #define EPNUM_MSC_IN      0x84
 
-#elif CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X
-  // FT9XX doesn't support a same endpoint number with different direction IN and OUT
+#elif defined(TUD_ENDPOINT_ONE_DIRECTION_ONLY)
+  // MCUs that don't support a same endpoint number with different direction IN and OUT defined in tusb_mcu.h
   //    e.g EP1 OUT & EP1 IN cannot exist together
   #define EPNUM_CDC_NOTIF   0x81
   #define EPNUM_CDC_OUT     0x02