Re: [alsa-devel] [PATCH 5/8] ALSA: control: rename loop index to i

At Wed, 11 Feb 2015 19:37:29 +0900, Takashi Sakamoto wrote:

This is a fashion and subtle issue, but can reduce characters in a file.

Sorry, I see no merit by this action. The idx is even clearer than using i for these purposes. And, if it's i, people expect it being int, not unsigned.

Takashi

Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp

sound/core/control.c | 44 ++++++++++++++++++++++---------------------- 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/sound/core/control.c b/sound/core/control.c index 19f9f4e..15af804 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -119,7 +119,7 @@ static int snd_ctl_release(struct inode *inode, struct file *file) struct snd_card *card; struct snd_ctl_file *ctl; struct snd_kcontrol *control;

• unsigned int idx;

• unsigned int i;

  ctl = file->private_data; file->private_data = NULL;

@@ -129,9 +129,9 @@ static int snd_ctl_release(struct inode *inode, struct file *file) write_unlock_irqrestore(&card->ctl_files_rwlock, flags); down_write(&card->controls_rwsem); list_for_each_entry(control, &card->controls, list)

• for (idx = 0; idx < control->count; idx++)
  

• 	if (control->vd[idx].owner == ctl)
  

• 		control->vd[idx].owner = NULL;
  

• for (i = 0; i < control->count; i++)
  

• 	if (control->vd[i].owner == ctl)
  

• 		control->vd[i].owner = NULL;
  

  up_write(&card->controls_rwsem); snd_ctl_empty_read_queue(ctl); put_pid(ctl->pid);

@@ -205,7 +205,7 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control, unsigned int access) { struct snd_kcontrol *kctl;

• unsigned int idx;

• unsigned int i;

  if (snd_BUG_ON(!control || !control->count)) return NULL;

@@ -219,8 +219,8 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control, return NULL; } *kctl = *control;

• for (idx = 0; idx < kctl->count; idx++)

• kctl->vd[idx].access = access;
  

• for (i = 0; i < kctl->count; i++)

• kctl->vd[i].access = access;
  

  return kctl;

}

@@ -340,7 +340,7 @@ static int snd_ctl_find_hole(struct snd_card *card, unsigned int count) int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol) { struct snd_ctl_elem_id id;

• unsigned int idx;

• unsigned int i; unsigned int count; int err = -EINVAL;

@@ -376,7 +376,7 @@ int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol) id = kcontrol->id; count = kcontrol->count; up_write(&card->controls_rwsem);

• for (idx = 0; idx < count; idx++, id.index++, id.numid++)

• for (i = 0; i < count; i++, id.index++, id.numid++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_ADD, &id); return 0;

@@ -405,7 +405,7 @@ int snd_ctl_replace(struct snd_card *card, struct snd_kcontrol *kcontrol, { struct snd_ctl_elem_id id; unsigned int count;

• unsigned int idx;

• unsigned int i; struct snd_kcontrol *old; int ret;

@@ -443,7 +443,7 @@ add: id = kcontrol->id; count = kcontrol->count; up_write(&card->controls_rwsem);

• for (idx = 0; idx < count; idx++, id.index++, id.numid++)

• for (i = 0; i < count; i++, id.index++, id.numid++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_ADD, &id); return 0;

@@ -467,14 +467,14 @@ EXPORT_SYMBOL(snd_ctl_replace); int snd_ctl_remove(struct snd_card *card, struct snd_kcontrol *kcontrol) { struct snd_ctl_elem_id id;

• unsigned int idx;

• unsigned int i;

  if (snd_BUG_ON(!card || !kcontrol)) return -EINVAL; list_del(&kcontrol->list); card->controls_count -= kcontrol->count; id = kcontrol->id;

• for (idx = 0; idx < kcontrol->count; idx++, id.index++, id.numid++)

• for (i = 0; i < kcontrol->count; i++, id.index++, id.numid++) snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_REMOVE, &id); snd_ctl_free_one(kcontrol); return 0;

@@ -523,7 +523,7 @@ static int snd_ctl_remove_user_ctl(struct snd_ctl_file * file, { struct snd_card *card = file->card; struct snd_kcontrol *kctl;

• int idx, ret;

• int i, ret;

  down_write(&card->controls_rwsem); kctl = snd_ctl_find_id(card, id);

@@ -535,8 +535,8 @@ static int snd_ctl_remove_user_ctl(struct snd_ctl_file * file, ret = -EINVAL; goto error; }

• for (idx = 0; idx < kctl->count; idx++)

• if (kctl->vd[idx].owner != NULL && kctl->vd[idx].owner != file) {
  

• for (i = 0; i < kctl->count; i++)

• if (kctl->vd[i].owner != NULL && kctl->vd[i].owner != file) {
  ret = -EBUSY;
  goto error;
  

  }

@@ -725,7 +725,7 @@ static int snd_ctl_elem_list(struct snd_card *card, struct snd_ctl_elem_list list; struct snd_kcontrol *kctl; struct snd_ctl_elem_id *dst, *id;

• unsigned int offset, space, jidx;

• unsigned int offset, space, i;

  if (copy_from_user(&list, _list, sizeof(list))) return -EFAULT;

@@ -755,8 +755,8 @@ static int snd_ctl_elem_list(struct snd_card *card, id = dst; while (space > 0 && plist != &card->controls) { kctl = snd_kcontrol(plist);

• 	for (jidx = offset; space > 0 && jidx < kctl->count; jidx++) {
  

• 		snd_ctl_build_ioff(id, kctl, jidx);
  

• 	for (i = offset; space > 0 && i < kctl->count; i++) {
  

• 		snd_ctl_build_ioff(id, kctl, i);
  	id++;
  	space--;
  	list.used++;
  

@@ -1183,7 +1183,7 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file, unsigned int access; unsigned int elem_data_size; struct user_element *ue;

• int idx, err;

• int i, err;

  if (info->count < 1) return -EINVAL;

@@ -1257,8 +1257,8 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file, _kctl->private_data = ue;

/* Lock values in this user controls. */

• for (idx = 0; idx < _kctl->count; idx++)

• _kctl->vd[idx].owner = file;
  

• for (i = 0; i < _kctl->count; i++)

• _kctl->vd[i].owner = file;
  
  

  err = snd_ctl_add(card, _kctl); if (err < 0)

-- 2.1.0