diff options
Diffstat (limited to 'sound/oss')
| -rw-r--r-- | sound/oss/Makefile | 4 | ||||
| -rw-r--r-- | sound/oss/dev_table.h | 2 | ||||
| -rw-r--r-- | sound/oss/midi_synth.c | 30 | ||||
| -rw-r--r-- | sound/oss/midi_synth.h | 2 | ||||
| -rw-r--r-- | sound/oss/opl3.c | 23 | ||||
| -rw-r--r-- | sound/oss/sequencer.c | 2 | ||||
| -rw-r--r-- | sound/oss/soundcard.c | 56 |
7 files changed, 53 insertions, 66 deletions
diff --git a/sound/oss/Makefile b/sound/oss/Makefile index 96f14dcd0cd1..90ffb99c6b17 100644 --- a/sound/oss/Makefile +++ b/sound/oss/Makefile @@ -87,7 +87,7 @@ ifeq ($(CONFIG_PSS_HAVE_BOOT),y) $(obj)/bin2hex pss_synth < $< > $@ else $(obj)/pss_boot.h: - ( \ + $(Q)( \ echo 'static unsigned char * pss_synth = NULL;'; \ echo 'static int pss_synthLen = 0;'; \ ) > $@ @@ -102,7 +102,7 @@ ifeq ($(CONFIG_TRIX_HAVE_BOOT),y) $(obj)/hex2hex -i trix_boot < $< > $@ else $(obj)/trix_boot.h: - ( \ + $(Q)( \ echo 'static unsigned char * trix_boot = NULL;'; \ echo 'static int trix_boot_len = 0;'; \ ) > $@ diff --git a/sound/oss/dev_table.h b/sound/oss/dev_table.h index b7617bee6388..0199a317c5a9 100644 --- a/sound/oss/dev_table.h +++ b/sound/oss/dev_table.h @@ -271,7 +271,7 @@ struct synth_operations void (*reset) (int dev); void (*hw_control) (int dev, unsigned char *event); int (*load_patch) (int dev, int format, const char __user *addr, - int offs, int count, int pmgr_flag); + int count, int pmgr_flag); void (*aftertouch) (int dev, int voice, int pressure); void (*controller) (int dev, int voice, int ctrl_num, int value); void (*panning) (int dev, int voice, int value); diff --git a/sound/oss/midi_synth.c b/sound/oss/midi_synth.c index 3c09374ea5bf..2292c230d7e6 100644 --- a/sound/oss/midi_synth.c +++ b/sound/oss/midi_synth.c @@ -476,7 +476,7 @@ EXPORT_SYMBOL(midi_synth_hw_control); int midi_synth_load_patch(int dev, int format, const char __user *addr, - int offs, int count, int pmgr_flag) + int count, int pmgr_flag) { int orig_dev = synth_devs[dev]->midi_dev; @@ -491,33 +491,29 @@ midi_synth_load_patch(int dev, int format, const char __user *addr, if (!prefix_cmd(orig_dev, 0xf0)) return 0; + /* Invalid patch format */ if (format != SYSEX_PATCH) - { -/* printk("MIDI Error: Invalid patch format (key) 0x%x\n", format);*/ return -EINVAL; - } + + /* Patch header too short */ if (count < hdr_size) - { -/* printk("MIDI Error: Patch header too short\n");*/ return -EINVAL; - } + count -= hdr_size; /* - * Copy the header from user space but ignore the first bytes which have - * been transferred already. + * Copy the header from user space */ - if(copy_from_user(&((char *) &sysex)[offs], &(addr)[offs], hdr_size - offs)) + if (copy_from_user(&sysex, addr, hdr_size)) return -EFAULT; - - if (count < sysex.len) - { -/* printk(KERN_WARNING "MIDI Warning: Sysex record too short (%d<%d)\n", count, (int) sysex.len);*/ + + /* Sysex record too short */ + if ((unsigned)count < (unsigned)sysex.len) sysex.len = count; - } - left = sysex.len; - src_offs = 0; + + left = sysex.len; + src_offs = 0; for (i = 0; i < left && !signal_pending(current); i++) { diff --git a/sound/oss/midi_synth.h b/sound/oss/midi_synth.h index 6bc9d00bc77c..b64ddd6c4abc 100644 --- a/sound/oss/midi_synth.h +++ b/sound/oss/midi_synth.h @@ -8,7 +8,7 @@ int midi_synth_open (int dev, int mode); void midi_synth_close (int dev); void midi_synth_hw_control (int dev, unsigned char *event); int midi_synth_load_patch (int dev, int format, const char __user * addr, - int offs, int count, int pmgr_flag); + int count, int pmgr_flag); void midi_synth_panning (int dev, int channel, int pressure); void midi_synth_aftertouch (int dev, int channel, int pressure); void midi_synth_controller (int dev, int channel, int ctrl_num, int value); diff --git a/sound/oss/opl3.c b/sound/oss/opl3.c index 938c48c43585..407cd677950b 100644 --- a/sound/oss/opl3.c +++ b/sound/oss/opl3.c @@ -820,7 +820,7 @@ static void opl3_hw_control(int dev, unsigned char *event) } static int opl3_load_patch(int dev, int format, const char __user *addr, - int offs, int count, int pmgr_flag) + int count, int pmgr_flag) { struct sbi_instrument ins; @@ -830,11 +830,7 @@ static int opl3_load_patch(int dev, int format, const char __user *addr, return -EINVAL; } - /* - * What the fuck is going on here? We leave junk in the beginning - * of ins and then check the field pretty close to that beginning? - */ - if(copy_from_user(&((char *) &ins)[offs], addr + offs, sizeof(ins) - offs)) + if (copy_from_user(&ins, addr, sizeof(ins))) return -EFAULT; if (ins.channel < 0 || ins.channel >= SBFM_MAXINSTR) @@ -849,6 +845,10 @@ static int opl3_load_patch(int dev, int format, const char __user *addr, static void opl3_panning(int dev, int voice, int value) { + + if (voice < 0 || voice >= devc->nr_voice) + return; + devc->voc[voice].panning = value; } @@ -1066,8 +1066,15 @@ static int opl3_alloc_voice(int dev, int chn, int note, struct voice_alloc_info static void opl3_setup_voice(int dev, int voice, int chn) { - struct channel_info *info = - &synth_devs[dev]->chn_info[chn]; + struct channel_info *info; + + if (voice < 0 || voice >= devc->nr_voice) + return; + + if (chn < 0 || chn > 15) + return; + + info = &synth_devs[dev]->chn_info[chn]; opl3_set_instr(dev, voice, info->pgm_num); diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c index 5ea1098ac427..30bcfe470f83 100644 --- a/sound/oss/sequencer.c +++ b/sound/oss/sequencer.c @@ -241,7 +241,7 @@ int sequencer_write(int dev, struct file *file, const char __user *buf, int coun return -ENXIO; fmt = (*(short *) &event_rec[0]) & 0xffff; - err = synth_devs[dev]->load_patch(dev, fmt, buf, p + 4, c, 0); + err = synth_devs[dev]->load_patch(dev, fmt, buf + p, c, 0); if (err < 0) return err; diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index fcb14a099822..7c7793a0eb25 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -526,31 +526,21 @@ bad: } -/* These device names follow the official Linux device list, - * Documentation/devices.txt. Let us know if there are other - * common names we should support for compatibility. - * Only those devices not created by the generic code in sound_core.c are - * registered here. - */ -static const struct { - unsigned short minor; - char *name; - umode_t mode; - int *num; -} dev_list[] = { /* list of minor devices */ -/* seems to be some confusion here -- this device is not in the device list */ - {SND_DEV_DSP16, "dspW", S_IWUGO | S_IRUSR | S_IRGRP, - &num_audiodevs}, - {SND_DEV_AUDIO, "audio", S_IWUGO | S_IRUSR | S_IRGRP, - &num_audiodevs}, -}; - static int dmabuf; static int dmabug; module_param(dmabuf, int, 0444); module_param(dmabug, int, 0444); +/* additional minors for compatibility */ +struct oss_minor_dev { + unsigned short minor; + unsigned int enabled; +} dev_list[] = { + { SND_DEV_DSP16 }, + { SND_DEV_AUDIO }, +}; + static int __init oss_init(void) { int err; @@ -571,18 +561,12 @@ static int __init oss_init(void) sound_dmap_flag = (dmabuf > 0 ? 1 : 0); for (i = 0; i < ARRAY_SIZE(dev_list); i++) { - device_create(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor), NULL, - "%s", dev_list[i].name); - - if (!dev_list[i].num) - continue; - - for (j = 1; j < *dev_list[i].num; j++) - device_create(sound_class, NULL, - MKDEV(SOUND_MAJOR, - dev_list[i].minor + (j*0x10)), - NULL, "%s%d", dev_list[i].name, j); + j = 0; + do { + unsigned short minor = dev_list[i].minor + j * 0x10; + if (!register_sound_special(&oss_sound_fops, minor)) + dev_list[i].enabled = (1 << j); + } while (++j < num_audiodevs); } if (sound_nblocks >= MAX_MEM_BLOCKS - 1) @@ -596,11 +580,11 @@ static void __exit oss_cleanup(void) int i, j; for (i = 0; i < ARRAY_SIZE(dev_list); i++) { - device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor)); - if (!dev_list[i].num) - continue; - for (j = 1; j < *dev_list[i].num; j++) - device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10))); + j = 0; + do { + if (dev_list[i].enabled & (1 << j)) + unregister_sound_special(dev_list[i].minor); + } while (++j < num_audiodevs); } unregister_sound_special(1); |