2 files changed, 6 insertions, 1 deletions
diff --git a/hw/usb/desc-msos.c b/hw/usb/desc-msos.c
index ed8d62cab8..334d1aea8d 100644
--- a/hw/usb/desc-msos.c
+++ b/hw/usb/desc-msos.c
@@ -44,7 +44,7 @@ typedef struct msos_compat_hdr {
 typedef struct msos_compat_func {
     uint8_t  bFirstInterfaceNumber;
     uint8_t  reserved_1;
-    uint8_t  compatibleId[8];
+    char     compatibleId[8];
     uint8_t  subCompatibleId[8];
     uint8_t  reserved_2[6];
 } QEMU_PACKED msos_compat_func;
@@ -59,6 +59,10 @@ static int usb_desc_msos_compat(const USBDesc *desc, uint8_t *dest)
     func = (void *)(dest + length);
     func->bFirstInterfaceNumber = 0;
     func->reserved_1 = 0x01;
+    if (desc->msos->CompatibleID) {
+        snprintf(func->compatibleId, sizeof(func->compatibleId),
+                 "%s", desc->msos->CompatibleID);
+    }
     length += sizeof(*func);
     count++;
 
diff --git a/hw/usb/desc.h b/hw/usb/desc.h
index 2b4fcdae76..8e8db03a0c 100644
--- a/hw/usb/desc.h
+++ b/hw/usb/desc.h
@@ -184,6 +184,7 @@ struct USBDescOther {
 };
 
 struct USBDescMSOS {
+    const char                *CompatibleID;
     const wchar_t             *Label;
     bool                      SelectiveSuspendEnabled;
 };