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| author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 04:06:23 +0200 |
|---|---|---|
| committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-23 04:06:23 +0200 |
| commit | 3b3a015ad4ab1ad0cf707ccbaef1dbe965993a4a (patch) | |
| tree | 2e9e3c9f86387bdad3df86b8c48d76665bb44a27 /sound/usb/6fire/midi.c | |
| parent | 15dfd0df63ce6847081d09b2bbd567cc0cc4eae1 (diff) | |
| download | kernel_samsung_smdk4412-3b3a015ad4ab1ad0cf707ccbaef1dbe965993a4a.zip kernel_samsung_smdk4412-3b3a015ad4ab1ad0cf707ccbaef1dbe965993a4a.tar.gz kernel_samsung_smdk4412-3b3a015ad4ab1ad0cf707ccbaef1dbe965993a4a.tar.bz2 | |
merged more uncritical stuff from 3.2.72
Diffstat (limited to 'sound/usb/6fire/midi.c')
| -rw-r--r-- | sound/usb/6fire/midi.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c index 13f4509..8283c5d 100644 --- a/sound/usb/6fire/midi.c +++ b/sound/usb/6fire/midi.c @@ -20,6 +20,10 @@ #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; @@ -157,6 +161,12 @@ int __devinit 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 */ @@ -170,6 +180,7 @@ int __devinit 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"); return ret; @@ -198,6 +209,9 @@ 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; } |