From: Takashi Iwai <tiwai@xxxxxxx> commit edb32776196afa393c074d6a2733e3a69e66b299 upstream. When converting a legacy system message to a UMP packet, it forgot to modify the UMP type field but keeping the default type (either type 2 or 4). Correct to the right type for system messages. Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events") Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20240529083800.5742-1-tiwai@xxxxxxx Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/core/seq/seq_ump_convert.c | 2 ++ 1 file changed, 2 insertions(+) --- a/sound/core/seq/seq_ump_convert.c +++ b/sound/core/seq/seq_ump_convert.c @@ -740,6 +740,7 @@ static int system_1p_ev_to_ump_midi1(con union snd_ump_midi1_msg *data, unsigned char status) { + data->system.type = UMP_MSG_TYPE_SYSTEM; // override data->system.status = status; data->system.parm1 = event->data.control.value & 0x7f; return 1; @@ -751,6 +752,7 @@ static int system_2p_ev_to_ump_midi1(con union snd_ump_midi1_msg *data, unsigned char status) { + data->system.type = UMP_MSG_TYPE_SYSTEM; // override data->system.status = status; data->system.parm1 = event->data.control.value & 0x7f; data->system.parm2 = (event->data.control.value >> 7) & 0x7f; Patches currently in stable-queue which might be from tiwai@xxxxxxx are queue-6.6/alsa-ump-don-t-clear-bank-selection-after-sending-a-program-change.patch queue-6.6/alsa-ump-don-t-accept-an-invalid-ump-protocol-number.patch queue-6.6/alsa-seq-fix-incorrect-ump-type-for-system-messages.patch