From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 12 May 2021 07:53:18 +0000 (+0200)
Subject: ucm: fix regexec() REG_NOMATCH state handling for define regex
X-Git-Tag: v1.2.5~29
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=414e4a759b2946d2f60746ed104d425be4ddb9fc;p=alsa-lib.git

ucm: fix regexec() REG_NOMATCH state handling for define regex

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/src/ucm/ucm_regex.c b/src/ucm/ucm_regex.c
index be8f277a..1471f076 100644
--- a/src/ucm/ucm_regex.c
+++ b/src/ucm/ucm_regex.c
@@ -166,6 +166,8 @@ int uc_mgr_define_regex(snd_use_case_mgr_t *uc_mgr, const char *name,
 	err = regexec(&re, s, ARRAY_SIZE(match), match, 0);
 	if (err < 0)
 		err = -errno;
+	else if (err == REG_NOMATCH)
+		err = 0;
 	else
 		err = set_variables(uc_mgr, s, ARRAY_SIZE(match), match, name);
 	free(s);