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 be8f277..1471f07 100644 (file)
--- 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);