diff options
Diffstat (limited to 'sound/drivers/serial-generic.c')
| -rw-r--r-- | sound/drivers/serial-generic.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sound/drivers/serial-generic.c b/sound/drivers/serial-generic.c index c8db6c75d133..766206c6ca75 100644 --- a/sound/drivers/serial-generic.c +++ b/sound/drivers/serial-generic.c @@ -37,6 +37,8 @@ MODULE_LICENSE("GPL"); #define SERIAL_TX_STATE_ACTIVE 1 #define SERIAL_TX_STATE_WAKEUP 2 +#define INTERNAL_BUF_SIZE 256 + struct snd_serial_generic { struct serdev_device *serdev; @@ -51,6 +53,7 @@ struct snd_serial_generic { struct work_struct tx_work; unsigned long tx_state; + char tx_buf[INTERNAL_BUF_SIZE]; }; static void snd_serial_generic_tx_wakeup(struct snd_serial_generic *drvdata) @@ -61,11 +64,8 @@ static void snd_serial_generic_tx_wakeup(struct snd_serial_generic *drvdata) schedule_work(&drvdata->tx_work); } -#define INTERNAL_BUF_SIZE 256 - static void snd_serial_generic_tx_work(struct work_struct *work) { - static char buf[INTERNAL_BUF_SIZE]; int num_bytes; struct snd_serial_generic *drvdata = container_of(work, struct snd_serial_generic, tx_work); @@ -78,8 +78,10 @@ static void snd_serial_generic_tx_work(struct work_struct *work) if (!test_bit(SERIAL_MODE_OUTPUT_OPEN, &drvdata->filemode)) break; - num_bytes = snd_rawmidi_transmit_peek(substream, buf, INTERNAL_BUF_SIZE); - num_bytes = serdev_device_write_buf(drvdata->serdev, buf, num_bytes); + num_bytes = snd_rawmidi_transmit_peek(substream, drvdata->tx_buf, + INTERNAL_BUF_SIZE); + num_bytes = serdev_device_write_buf(drvdata->serdev, drvdata->tx_buf, + num_bytes); if (!num_bytes) break; @@ -100,8 +102,8 @@ static void snd_serial_generic_write_wakeup(struct serdev_device *serdev) snd_serial_generic_tx_wakeup(drvdata); } -static int snd_serial_generic_receive_buf(struct serdev_device *serdev, - const unsigned char *buf, size_t count) +static size_t snd_serial_generic_receive_buf(struct serdev_device *serdev, + const u8 *buf, size_t count) { int ret; struct snd_serial_generic *drvdata = serdev_device_get_drvdata(serdev); @@ -300,7 +302,7 @@ static int snd_serial_generic_rmidi(struct snd_serial_generic *drvdata, &snd_serial_generic_input); snd_rawmidi_set_ops(rrawmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_serial_generic_output); - strcpy(rrawmidi->name, drvdata->card->shortname); + strscpy(rrawmidi->name, drvdata->card->shortname); snd_serial_generic_substreams(&rrawmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT], drvdata->serdev->ctrl->nr); @@ -329,7 +331,7 @@ static int snd_serial_generic_probe(struct serdev_device *serdev) if (err < 0) return err; - strcpy(card->driver, "SerialMIDI"); + strscpy(card->driver, "SerialMIDI"); sprintf(card->shortname, "SerialMIDI-%d", serdev->ctrl->nr); sprintf(card->longname, "Serial MIDI device at serial%d", serdev->ctrl->nr); |