sr: rename hwplugin functions to sr_thing_action format

[libsigrok.git] / hardware / alsa / alsa.c

diff --git a/hardware/alsa/alsa.c b/hardware/alsa/alsa.c
index e5fad8f56940a440b87f4d87fbd5a2591c6ec399..3d3067ce664804c7806e5f73032061c337d6e24b 100644 (file)
--- a/hardware/alsa/alsa.c
+++ b/hardware/alsa/alsa.c
@@ -150,15 +150,19 @@ static int hw_closedev(int device_index)
        return SR_OK;
 }
 
-static void hw_cleanup(void)
+static int hw_cleanup(void)
 {
        struct sr_device_instance *sdi;
 
-       if (!(sdi = sr_get_device_instance(device_instances, 0)))
-               return;
+       if (!(sdi = sr_get_device_instance(device_instances, 0))) {
+               sr_err("alsa: %s: sdi was NULL", __func__);
+               return SR_ERR_BUG;
+       }
 
        g_free(sdi->priv);
        sr_device_instance_free(sdi);
+
+       return SR_OK;
 }
 
 static void *hw_get_device_info(int device_index, int device_info_id)