From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 2 Dec 2025 09:59:19 +0000 (+0100)
Subject: ucm: fix the DefineRegex issue where multiple variables were set to empty string
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=5ed27d8e89c2c2e7996ac3e28609393c08f034e4;p=alsa-lib.git

ucm: fix the DefineRegex issue where multiple variables were set to empty string

It is not required to set variables in undefined groups to empty string.

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

diff --git a/src/ucm/ucm_regex.c b/src/ucm/ucm_regex.c
index cef23626..8c257a0f 100644
--- a/src/ucm/ucm_regex.c
+++ b/src/ucm/ucm_regex.c
@@ -73,7 +73,7 @@ static int set_variables(snd_use_case_mgr_t *uc_mgr, const char *data,
 	if (err < 0)
 		return err;
 	for (i = 1; i < match_size; i++) {
-		if (match[0].rm_so < 0 || match[0].rm_eo < 0)
+		if (match[i].rm_so < 0 || match[i].rm_eo < 0)
 			return 0;
 		s = extract_substring(data, &match[i]);
 		if (s == NULL)