diff --git a/src/seq/seq_hw.c b/src/seq/seq_hw.c index e88a7b22..5e9b8953 100644 --- a/src/seq/seq_hw.c +++ b/src/seq/seq_hw.c @@ -125,6 +125,15 @@ static int snd_seq_hw_set_client_info(snd_seq_t *seq, snd_seq_client_info_t * in { snd_seq_hw_t *hw = seq->private_data; + /* added fields are not checked on older kernels */ + if (SNDRV_PROTOCOL_VERSION(1, 0, 3) > hw->version) { + if (info->midi_version > 0) + return -EINVAL; + if (info->filter & SNDRV_SEQ_FILTER_NO_CONVERT) + return -EINVAL; + if (info->group_filter != 0) + return -EINVAL; + } if (ioctl(hw->fd, SNDRV_SEQ_IOCTL_SET_CLIENT_INFO, info) < 0) { /*SYSERR("SNDRV_SEQ_IOCTL_SET_CLIENT_INFO failed");*/ return -errno;