diff options
Diffstat (limited to 'sound/usb/6fire/midi.c')
| -rw-r--r-- | sound/usb/6fire/midi.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c index 26722423330..3d410969553 100644 --- a/sound/usb/6fire/midi.c +++ b/sound/usb/6fire/midi.c @@ -19,6 +19,10 @@ #include "chip.h" #include "comm.h" +enum { + MIDI_BUFSIZE = 64 +}; + static void usb6fire_midi_out_handler(struct urb *urb) { struct midi_runtime *rt = urb->context; @@ -37,8 +41,9 @@ static void usb6fire_midi_out_handler(struct urb *urb) ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret < 0) - snd_printk(KERN_ERR PREFIX "midi out urb " - "submit failed: %d\n", ret); + dev_err(&urb->dev->dev, + "midi out urb submit failed: %d\n", + ret); } else /* no more data to transmit */ rt->out = NULL; } @@ -90,8 +95,9 @@ static void usb6fire_midi_out_trigger( ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret < 0) - snd_printk(KERN_ERR PREFIX "midi out urb " - "submit failed: %d\n", ret); + dev_err(&urb->dev->dev, + "midi out urb submit failed: %d\n", + ret); else rt->out = alsa_sub; } @@ -156,6 +162,12 @@ int usb6fire_midi_init(struct sfire_chip *chip) if (!rt) return -ENOMEM; + rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL); + if (!rt->out_buffer) { + kfree(rt); + return -ENOMEM; + } + rt->chip = chip; rt->in_received = usb6fire_midi_in_received; rt->out_buffer[0] = 0x80; /* 'send midi' command */ @@ -169,8 +181,9 @@ int usb6fire_midi_init(struct sfire_chip *chip) ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance); if (ret < 0) { + kfree(rt->out_buffer); kfree(rt); - snd_printk(KERN_ERR PREFIX "unable to create midi.\n"); + dev_err(&chip->dev->dev, "unable to create midi.\n"); return ret; } rt->instance->private_data = rt; @@ -197,6 +210,9 @@ void usb6fire_midi_abort(struct sfire_chip *chip) void usb6fire_midi_destroy(struct sfire_chip *chip) { - kfree(chip->midi); + struct midi_runtime *rt = chip->midi; + + kfree(rt->out_buffer); + kfree(rt); chip->midi = NULL; } |