diff options
Diffstat (limited to 'sound/core/control.c')
| -rw-r--r-- | sound/core/control.c | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 281b2e2..3c5e746 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -139,7 +139,8 @@ void snd_ctl_notify(struct snd_card *card, unsigned int mask, struct snd_ctl_file *ctl; struct snd_kctl_event *ev; - snd_assert(card != NULL && id != NULL, return); + if (snd_BUG_ON(!card || !id)) + return; read_lock(&card->ctl_files_rwlock); #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE) card->mixer_oss_change_count++; @@ -188,8 +189,8 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control, struct snd_kcontrol *kctl; unsigned int idx; - snd_assert(control != NULL, return NULL); - snd_assert(control->count > 0, return NULL); + if (snd_BUG_ON(!control || !control->count)) + return NULL; kctl = kzalloc(sizeof(*kctl) + sizeof(struct snd_kcontrol_volatile) * control->count, GFP_KERNEL); if (kctl == NULL) { snd_printk(KERN_ERR "Cannot allocate control instance\n"); @@ -218,8 +219,8 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol, struct snd_kcontrol kctl; unsigned int access; - snd_assert(ncontrol != NULL, return NULL); - snd_assert(ncontrol->info != NULL, return NULL); + if (snd_BUG_ON(!ncontrol || !ncontrol->info)) + return NULL; memset(&kctl, 0, sizeof(kctl)); kctl.id.iface = ncontrol->iface; kctl.id.device = ncontrol->device; @@ -315,8 +316,8 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol) if (! kcontrol) return err; - snd_assert(card != NULL, goto error); - snd_assert(kcontrol->info != NULL, goto error); + if (snd_BUG_ON(!card || !kcontrol->info)) + goto error; id = kcontrol->id; down_write(&card->controls_rwsem); if (snd_ctl_find_id(card, &id)) { @@ -367,7 +368,8 @@ int snd_ctl_remove(struct snd_card *card, struct snd_kcontrol *kcontrol) struct snd_ctl_elem_id id; unsigned int idx; - snd_assert(card != NULL && kcontrol != NULL, return -EINVAL); + if (snd_BUG_ON(!card || !kcontrol)) + return -EINVAL; list_del(&kcontrol->list); card->controls_count -= kcontrol->count; id = kcontrol->id; @@ -487,7 +489,8 @@ struct snd_kcontrol *snd_ctl_find_numid(struct snd_card *card, unsigned int numi { struct snd_kcontrol *kctl; - snd_assert(card != NULL && numid != 0, return NULL); + if (snd_BUG_ON(!card || !numid)) + return NULL; list_for_each_entry(kctl, &card->controls, list) { if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid) return kctl; @@ -514,7 +517,8 @@ struct snd_kcontrol *snd_ctl_find_id(struct snd_card *card, { struct snd_kcontrol *kctl; - snd_assert(card != NULL && id != NULL, return NULL); + if (snd_BUG_ON(!card || !id)) + return NULL; if (id->numid != 0) return snd_ctl_find_numid(card, id->numid); list_for_each_entry(kctl, &card->controls, list) { @@ -647,7 +651,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl, #endif result = kctl->info(kctl, info); if (result >= 0) { - snd_assert(info->access == 0, ); + snd_BUG_ON(info->access); index_offset = snd_ctl_get_ioff(kctl, &info->id); vd = &kctl->vd[index_offset]; snd_ctl_build_ioff(&info->id, kctl, index_offset); @@ -1160,7 +1164,8 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg ctl = file->private_data; card = ctl->card; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; switch (cmd) { case SNDRV_CTL_IOCTL_PVERSION: return put_user(SNDRV_CTL_VERSION, ip) ? -EFAULT : 0; @@ -1222,7 +1227,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer, ssize_t result = 0; ctl = file->private_data; - snd_assert(ctl != NULL && ctl->card != NULL, return -ENXIO); + if (snd_BUG_ON(!ctl || !ctl->card)) + return -ENXIO; if (!ctl->subscribed) return -EBADFD; if (count < sizeof(struct snd_ctl_event)) @@ -1328,7 +1334,8 @@ static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn, { struct snd_kctl_ioctl *p; - snd_assert(fcn != NULL, return -EINVAL); + if (snd_BUG_ON(!fcn)) + return -EINVAL; down_write(&snd_ioctl_rwsem); list_for_each_entry(p, lists, list) { if (p->fioctl == fcn) { @@ -1404,9 +1411,11 @@ static int snd_ctl_dev_register(struct snd_device *device) int err, cardnum; char name[16]; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; cardnum = card->number; - snd_assert(cardnum >= 0 && cardnum < SNDRV_CARDS, return -ENXIO); + if (snd_BUG_ON(cardnum < 0 || cardnum >= SNDRV_CARDS)) + return -ENXIO; sprintf(name, "controlC%i", cardnum); if ((err = snd_register_device(SNDRV_DEVICE_TYPE_CONTROL, card, -1, &snd_ctl_f_ops, card, name)) < 0) @@ -1423,9 +1432,11 @@ static int snd_ctl_dev_disconnect(struct snd_device *device) struct snd_ctl_file *ctl; int err, cardnum; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; cardnum = card->number; - snd_assert(cardnum >= 0 && cardnum < SNDRV_CARDS, return -ENXIO); + if (snd_BUG_ON(cardnum < 0 || cardnum >= SNDRV_CARDS)) + return -ENXIO; down_read(&card->controls_rwsem); list_for_each_entry(ctl, &card->ctl_files, list) { @@ -1469,7 +1480,8 @@ int snd_ctl_create(struct snd_card *card) .dev_disconnect = snd_ctl_dev_disconnect, }; - snd_assert(card != NULL, return -ENXIO); + if (snd_BUG_ON(!card)) + return -ENXIO; return snd_device_new(card, SNDRV_DEV_CONTROL, card, &ops); } |
