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ALSA: ctl: change return value in compatibility layer so that it's the same value in core implementation

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In control compatibility layer, when no elements are found by
ELEM_READ/ELEM_WRITE ioctl commands, ENXIO is returned. On the other hand,
in core implementation, ENOENT is returned. This is not good for
ALSA ctl applications.

This commit changes the return value from the compatibility layer so
that the same value is returned.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2016-03-17 21:14:36 +09:00 committed by Takashi Iwai
parent 8cf3968ccb
commit 6f02174418
1 changed files with 1 additions and 1 deletions
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2
sound/core/control_compat.c
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@ -196,7 +196,7 @@ static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id,
kctl = snd_ctl_find_id(card, id);
if (! kctl) {
up_read(&card->controls_rwsem);
return -ENXIO;
return -ENOENT;
}
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (info == NULL) {