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ucm: be more restrictive for device name with descriptor

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2025-11-18 14:00:48 +01:00
parent e83fd7806f
commit 2da7e29c0c
1 changed files with 5 additions and 0 deletions
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5
src/ucm/parser.c
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@ -1970,6 +1970,11 @@ static int verb_normalize_device_names(snd_use_case_mgr_t *uc_mgr, struct use_ca
colon = strchr(norm_name, ':');
if (colon) {
if (colon[1] == '\0' || strchr(colon + 1, ' ')) {
snd_error(UCM, "device descriptor cannot be empty or contain spaces '%s'", orig_name);
err = -EINVAL;
goto __error;
}
*colon = '\0';
index = 1;
do {