diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c index 860a62a3d74b..58d8a3cdc8b9 100644 --- a/sound/usb/misc/ua101.c +++ b/sound/usb/misc/ua101.c @@ -1007,6 +1007,15 @@ static int detect_usb_format(struct ua101 *ua) } ua->playback.usb_pipe = usb_sndisocpipe(ua->dev, usb_endpoint_num(epd)); ua->playback.max_packet_bytes = usb_endpoint_maxp(epd); + + if (ua->capture.max_packet_bytes / ua->capture.frame_bytes * + ua->playback.frame_bytes > ua->playback.max_packet_bytes) { + dev_err(&ua->dev->dev, + "playback packet size %u too small for %u capture frames\n", + ua->playback.max_packet_bytes, + ua->capture.max_packet_bytes / ua->capture.frame_bytes); + return -ENXIO; + } return 0; }