v4l2: Don't leak v4l2 objects and props on probe errors

diff --git a/sys/v4l2/gstv4l2deviceprovider.c b/sys/v4l2/gstv4l2deviceprovider.c
index e606f84..d521838 100644 (file)
--- a/sys/v4l2/gstv4l2deviceprovider.c
+++ b/sys/v4l2/gstv4l2deviceprovider.c
@@ -100,7 +100,7 @@ static GstV4l2Device *
 gst_v4l2_device_provider_probe_device (GstV4l2DeviceProvider * provider,
     const gchar * device_path, const gchar * device_name, GstStructure * props)
 {
-  GstV4l2Object *v4l2obj;
+  GstV4l2Object *v4l2obj = NULL;
   GstCaps *caps;
   GstV4l2Device *device = NULL;
   struct stat st;
@@ -109,10 +109,10 @@ gst_v4l2_device_provider_probe_device (GstV4l2DeviceProvider * provider,
   g_return_val_if_fail (props != NULL, NULL);
 
   if (stat (device_path, &st) == -1)
-    return NULL;
+    goto destroy;
 
   if (!S_ISCHR (st.st_mode))
-    return NULL;
+    goto destroy;
 
   v4l2obj = gst_v4l2_object_new ((GstElement *) provider,
       V4L2_BUF_TYPE_VIDEO_CAPTURE, device_path, NULL, NULL, NULL);
@@ -172,7 +172,8 @@ close:
 
 destroy:
 
-  gst_v4l2_object_destroy (v4l2obj);
+  if (v4l2obj)
+    gst_v4l2_object_destroy (v4l2obj);
 
   if (props)
     gst_structure_free (props);