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-rw-r--r--hw/usb/dev-audio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/usb/dev-audio.c b/hw/usb/dev-audio.c
index ee43e4914d..28ac7c5165 100644
--- a/hw/usb/dev-audio.c
+++ b/hw/usb/dev-audio.c
@@ -321,6 +321,9 @@ static int streambuf_put(struct streambuf *buf, USBPacket *p)
if (!free) {
return 0;
}
+ if (p->iov.size != USBAUDIO_PACKET_SIZE) {
+ return 0;
+ }
assert(free >= USBAUDIO_PACKET_SIZE);
usb_packet_copy(p, buf->data + (buf->prod % buf->size),
USBAUDIO_PACKET_SIZE);