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control: remap - don't allow I/O on renamed IDs

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-04-23 16:35:26 +02:00
parent 278462583c
commit 3e731ff51e
1 changed files with 2 additions and 0 deletions
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2
src/control/control_remap.c
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@ -251,6 +251,8 @@ static int remap_id_to_child(snd_ctl_remap_t *priv, snd_ctl_elem_id_t *id, snd_c
} }
*id = rid->id_child; *id = rid->id_child;
} else { } else {
if (remap_find_id_child(priv, id))
return -ENOENT;
numid = remap_find_numid_app(priv, id->numid); numid = remap_find_numid_app(priv, id->numid);
if (numid) if (numid)
id->numid = numid->numid_child; id->numid = numid->numid_child;