From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 17 May 2022 12:37:39 +0000 (+0200)
Subject: ucm: return empty string for undefined "open" variables (arguments)
X-Git-Tag: v1.2.7~33
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=b67257e6fd97e2c8c75c7a7dab5b4644de97a724;p=alsa-lib.git

ucm: return empty string for undefined "open" variables (arguments)

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

diff --git a/src/ucm/ucm_subs.c b/src/ucm/ucm_subs.c
index a7d79430..7bf0aaae 100644
--- a/src/ucm/ucm_subs.c
+++ b/src/ucm/ucm_subs.c
@@ -559,6 +559,8 @@ static char *rval_var(snd_use_case_mgr_t *uc_mgr, const char *id)
 	if (id[0] == '-') {
 		ignore_not_found = true;
 		id++;
+	} else if (id[0] == '@') {
+		ignore_not_found = true;
 	}
 	v = uc_mgr_get_variable(uc_mgr, id);
 	if (v == NULL && ignore_not_found)