From: Jaroslav Kysela <perex@perex.cz>
Date: Fri, 29 Nov 2019 21:28:26 +0000 (+0100)
Subject: ucm: return always at least NULL if no list is available in snd_use_case_get_list()
X-Git-Tag: v1.2.2~77
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=9baf64da2f26844434ecea4825052937a3abe06c;p=alsa-lib.git

ucm: return always at least NULL if no list is available in snd_use_case_get_list()

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

diff --git a/src/ucm/main.c b/src/ucm/main.c
index 252e50d9..b80db65f 100644
--- a/src/ucm/main.c
+++ b/src/ucm/main.c
@@ -1160,8 +1160,10 @@ static int get_supcon_device_list(snd_use_case_mgr_t *uc_mgr,
 
 	modifier = find_modifier(uc_mgr, verb, name, 0);
 	if (modifier) {
-		if (modifier->dev_list.type != type)
+		if (modifier->dev_list.type != type) {
+			*list = NULL;
 			return 0;
+		}
 		return get_list(&modifier->dev_list.list, list,
 				struct dev_list_node, list,
 				name);
@@ -1169,8 +1171,10 @@ static int get_supcon_device_list(snd_use_case_mgr_t *uc_mgr,
 
 	device = find_device(uc_mgr, verb, name, 0);
 	if (device) {
-		if (device->dev_list.type != type)
+		if (device->dev_list.type != type) {
+			*list = NULL;
 			return 0;
+		}
 		return get_list(&device->dev_list.list, list,
 				struct dev_list_node, list,
 				name);