#include "seq_oss_midi.h"
#include "seq_oss_event.h"
+static int snd_seq_oss_synth_info_user(seq_oss_devinfo_t *dp, void __user *arg)
+{
+ struct synth_info info;
+
+ if (copy_from_user(&info, arg, sizeof(info)))
+ return -EFAULT;
+ if (snd_seq_oss_synth_make_info(dp, info.device, &info) < 0)
+ return -EINVAL;
+ if (copy_to_user(arg, &info, sizeof(info)))
+ return -EFAULT;
+ return 0;
+}
+
+static int snd_seq_oss_midi_info_user(seq_oss_devinfo_t *dp, void __user *arg)
+{
+ struct midi_info info;
+
+ if (copy_from_user(&info, arg, sizeof(info)))
+ return -EFAULT;
+ if (snd_seq_oss_midi_make_info(dp, info.device, &info) < 0)
+ return -EINVAL;
+ if (copy_to_user(arg, &info, sizeof(info)))
+ return -EFAULT;
+ return 0;
+}
+
+static int snd_seq_oss_oob_user(seq_oss_devinfo_t *dp, void __user *arg)
+{
+ unsigned char ev[8];
+ snd_seq_event_t tmpev;
+
+ if (copy_from_user(ev, arg, 8))
+ return -EFAULT;
+ memset(&tmpev, 0, sizeof(tmpev));
+ snd_seq_oss_fill_addr(dp, &tmpev, dp->addr.port, dp->addr.client);
+ tmpev.time.tick = 0;
+ if (! snd_seq_oss_process_event(dp, (evrec_t*)ev, &tmpev)) {
+ snd_seq_oss_dispatch(dp, &tmpev, 0, 0);
+ }
+ return 0;
+}
+
int
snd_seq_oss_ioctl(seq_oss_devinfo_t *dp, unsigned int cmd, unsigned long carg)
{
int dev, val;
- struct synth_info inf;
- struct midi_info minf;
- unsigned char ev[8];
void __user *arg = (void __user *)carg;
- snd_seq_event_t tmpev;
+ int __user *p = arg;
switch (cmd) {
case SNDCTL_TMR_TIMEBASE:
case SNDCTL_SEQ_TESTMIDI:
debug_printk(("test midi\n"));
- if (get_user(dev, (int *)arg))
+ if (get_user(dev, p))
return -EFAULT;
return snd_seq_oss_midi_open(dp, dev, dp->file_mode);
debug_printk(("get in count\n"));
if (dp->readq == NULL || ! is_read_mode(dp->file_mode))
return 0;
- return put_user(dp->readq->qlen, (int *)arg) ? -EFAULT : 0;
+ return put_user(dp->readq->qlen, p) ? -EFAULT : 0;
case SNDCTL_SEQ_GETOUTCOUNT:
debug_printk(("get out count\n"));
if (! is_write_mode(dp->file_mode) || dp->writeq == NULL)
return 0;
- return put_user(snd_seq_oss_writeq_get_free_size(dp->writeq), (int *)arg) ? -EFAULT : 0;
+ return put_user(snd_seq_oss_writeq_get_free_size(dp->writeq), p) ? -EFAULT : 0;
case SNDCTL_SEQ_GETTIME:
debug_printk(("get time\n"));
- return put_user(snd_seq_oss_timer_cur_tick(dp->timer), (int *)arg) ? -EFAULT : 0;
+ return put_user(snd_seq_oss_timer_cur_tick(dp->timer), p) ? -EFAULT : 0;
case SNDCTL_SEQ_RESETSAMPLES:
debug_printk(("reset samples\n"));
- if (get_user(dev, (int *)arg))
+ if (get_user(dev, p))
return -EFAULT;
return snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
case SNDCTL_SEQ_NRSYNTHS:
debug_printk(("nr synths\n"));
- return put_user(dp->max_synthdev, (int *)arg) ? -EFAULT : 0;
+ return put_user(dp->max_synthdev, p) ? -EFAULT : 0;
case SNDCTL_SEQ_NRMIDIS:
debug_printk(("nr midis\n"));
- return put_user(dp->max_mididev, (int *)arg) ? -EFAULT : 0;
+ return put_user(dp->max_mididev, p) ? -EFAULT : 0;
case SNDCTL_SYNTH_MEMAVL:
debug_printk(("mem avail\n"));
- if (get_user(dev, (int *)arg))
+ if (get_user(dev, p))
return -EFAULT;
val = snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
- return put_user(val, (int *)arg) ? -EFAULT : 0;
+ return put_user(val, p) ? -EFAULT : 0;
case SNDCTL_FM_4OP_ENABLE:
debug_printk(("4op\n"));
- if (get_user(dev, (int *)arg))
+ if (get_user(dev, p))
return -EFAULT;
snd_seq_oss_synth_ioctl(dp, dev, cmd, carg);
return 0;
case SNDCTL_SYNTH_INFO:
case SNDCTL_SYNTH_ID:
debug_printk(("synth info\n"));
- if (copy_from_user(&inf, arg, sizeof(inf)))
- return -EFAULT;
- if (snd_seq_oss_synth_make_info(dp, inf.device, &inf) < 0)
- return -EINVAL;
- if (copy_to_user(arg, &inf, sizeof(inf)))
- return -EFAULT;
- return 0;
+ return snd_seq_oss_synth_info_user(dp, arg);
case SNDCTL_SEQ_OUTOFBAND:
- debug_printk(("out of bound\n"));
- if (copy_from_user(ev, arg, 8))
- return -EFAULT;
- memset(&tmpev, 0, sizeof(tmpev));
- snd_seq_oss_fill_addr(dp, &tmpev, dp->addr.port, dp->addr.client);
- tmpev.time.tick = 0;
- if (! snd_seq_oss_process_event(dp, (evrec_t*)ev, &tmpev)) {
- snd_seq_oss_dispatch(dp, &tmpev, 0, 0);
- }
- return 0;
+ debug_printk(("out of band\n"));
+ return snd_seq_oss_oob_user(dp, arg);
case SNDCTL_MIDI_INFO:
debug_printk(("midi info\n"));
- if (copy_from_user(&minf, arg, sizeof(minf)))
- return -EFAULT;
- if (snd_seq_oss_midi_make_info(dp, minf.device, &minf) < 0)
- return -EINVAL;
- if (copy_to_user(arg, &minf, sizeof(minf)))
- return -EFAULT;
- return 0;
+ return snd_seq_oss_midi_info_user(dp, arg);
case SNDCTL_SEQ_THRESHOLD:
debug_printk(("threshold\n"));
if (! is_write_mode(dp->file_mode))
return 0;
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
if (val < 1)
val = 1;
debug_printk(("pretime\n"));
if (dp->readq == NULL || !is_read_mode(dp->file_mode))
return 0;
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
if (val <= 0)
val = -1;
else
val = (HZ * val) / 10;
dp->readq->pre_event_timeout = val;
- return put_user(val, (int *)arg) ? -EFAULT : 0;
+ return put_user(val, p) ? -EFAULT : 0;
default:
debug_printk(("others\n"));
git://git.onelab.eu / linux-2.6.git / blobdiff