diff options
Diffstat (limited to 'sound/core/control.c')
| -rw-r--r-- | sound/core/control.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 0b3026d937b1..69734b0eafd0 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -105,7 +105,7 @@ static void snd_ctl_empty_read_queue(struct snd_ctl_file * ctl) { unsigned long flags; struct snd_kctl_event *cread; - + spin_lock_irqsave(&ctl->read_lock, flags); while (!list_empty(&ctl->events)) { cread = snd_kctl_event(ctl->events.next); @@ -159,7 +159,7 @@ void snd_ctl_notify(struct snd_card *card, unsigned int mask, unsigned long flags; struct snd_ctl_file *ctl; struct snd_kctl_event *ev; - + if (snd_BUG_ON(!card || !id)) return; if (card->shutdown) @@ -213,7 +213,7 @@ static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count, { unsigned int size; unsigned int idx; - + if (count == 0 || count > MAX_CONTROL_COUNT) return -EINVAL; @@ -238,7 +238,7 @@ static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count, * @ncontrol: the initialization record * @private_data: the private data to set * - * Allocates a new struct snd_kcontrol instance and initialize from the given + * Allocates a new struct snd_kcontrol instance and initialize from the given * template. When the access field of ncontrol is 0, it's assumed as * READWRITE access. When the count field is 0, it's assumes as one. * @@ -251,7 +251,7 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol, unsigned int count; unsigned int access; int err; - + if (snd_BUG_ON(!ncontrol || !ncontrol->info)) return NULL; @@ -753,7 +753,7 @@ static int snd_ctl_elem_list(struct snd_card *card, struct snd_ctl_elem_id id; unsigned int offset, space, jidx; int err = 0; - + if (copy_from_user(&list, _list, sizeof(list))) return -EFAULT; offset = list.offset; @@ -827,7 +827,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl, struct snd_kcontrol_volatile *vd; unsigned int index_offset; int result; - + down_read(&card->controls_rwsem); kctl = snd_ctl_find_id(card, &info->id); if (kctl == NULL) { @@ -889,7 +889,7 @@ static int snd_ctl_elem_read(struct snd_card *card, index_offset = snd_ctl_get_ioff(kctl, &control->id); vd = &kctl->vd[index_offset]; - if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) && kctl->get == NULL) + if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) || kctl->get == NULL) return -EPERM; snd_ctl_build_ioff(&control->id, kctl, index_offset); @@ -992,7 +992,7 @@ static int snd_ctl_elem_lock(struct snd_ctl_file *file, struct snd_kcontrol *kctl; struct snd_kcontrol_volatile *vd; int result; - + if (copy_from_user(&id, _id, sizeof(id))) return -EFAULT; down_write(&card->controls_rwsem); @@ -1020,7 +1020,7 @@ static int snd_ctl_elem_unlock(struct snd_ctl_file *file, struct snd_kcontrol *kctl; struct snd_kcontrol_volatile *vd; int result; - + if (copy_from_user(&id, _id, sizeof(id))) return -EFAULT; down_write(&card->controls_rwsem); |