ucm: fix the wrong return value in uc_mgr_open_ctl()

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

diff --git a/src/ucm/utils.c b/src/ucm/utils.c
index ae101d4..fbced51 100644 (file)
--- a/src/ucm/utils.c
+++ b/src/ucm/utils.c
@@ -274,7 +274,7 @@ int uc_mgr_open_ctl(snd_use_case_mgr_t *uc_mgr,
        if (err < 0 || id == NULL || id[0] == '\0') {
                uc_error("control hardware info (%s): %s", device, snd_strerror(err));
                snd_ctl_close(ctl);
-               return err;
+               return err >= 0 ? -EINVAL : err;
        }
 
        /* insert to cache, if just name differs */