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| author | Ingo Molnar <mingo@kernel.org> | 2021-02-12 14:54:51 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-02-12 14:54:58 +0300 |
| commit | 62137364e3e8afcc745846c5c67cacf943149073 (patch) | |
| tree | 42f2bdee6b16e383b6e0a94cb3abc62f335d721a /sound/usb/midi.c | |
| parent | 6c80408a8a0360fa9223b8c21c0ab8ef42e88bfe (diff) | |
| parent | dcc0b49040c70ad827a7f3d58a21b01fdb14e749 (diff) | |
| download | linux-62137364e3e8afcc745846c5c67cacf943149073.tar.xz | |
Merge branch 'linus' into locking/core, to pick up upstream fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/usb/midi.c')
| -rw-r--r-- | sound/usb/midi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/midi.c b/sound/usb/midi.c index c8213652470c..0c23fa6d8525 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -1889,6 +1889,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi, ms_ep = find_usb_ms_endpoint_descriptor(hostep); if (!ms_ep) continue; + if (ms_ep->bNumEmbMIDIJack > 0x10) + continue; if (usb_endpoint_dir_out(ep)) { if (endpoints[epidx].out_ep) { if (++epidx >= MIDI_MAX_ENDPOINTS) { @@ -2141,6 +2143,8 @@ static int snd_usbmidi_detect_roland(struct snd_usb_midi *umidi, cs_desc[1] == USB_DT_CS_INTERFACE && cs_desc[2] == 0xf1 && cs_desc[3] == 0x02) { + if (cs_desc[4] > 0x10 || cs_desc[5] > 0x10) + continue; endpoint->in_cables = (1 << cs_desc[4]) - 1; endpoint->out_cables = (1 << cs_desc[5]) - 1; return snd_usbmidi_detect_endpoints(umidi, endpoint, 1); |