sr_driver_scan(): Improve checks.

[libsigrok.git] / hardware / rigol-ds1xx2 / api.c

diff --git a/hardware/rigol-ds1xx2/api.c b/hardware/rigol-ds1xx2/api.c
index 7cb579126dc83370d485553c488d954f34f95767..894f5afc01343c24a489449a8f188fe94b400ac1 100644 (file)
--- a/hardware/rigol-ds1xx2/api.c
+++ b/hardware/rigol-ds1xx2/api.c
@@ -188,10 +188,11 @@ static GSList *hw_scan(GSList *options)
 
        (void)options;
 
-       devices = NULL;
        drvc = di->priv;
        drvc->instances = NULL;
 
+       devices = NULL;
+
        dir = g_dir_open("/sys/class/usb/", 0, NULL);
 
        if (dir == NULL)