clear_helper(): Use a cast to shorten all implementations.

[libsigrok.git] / src / hardware / hameg-hmo / api.c

diff --git a/src/hardware/hameg-hmo/api.c b/src/hardware/hameg-hmo/api.c
index 7e062b8d6f258feb05989dc9571ec67e5298a665..22fcbc54b3c07472689c18bd61a3c16ed86870d4 100644 (file)
--- a/src/hardware/hameg-hmo/api.c
+++ b/src/hardware/hameg-hmo/api.c
@@ -110,21 +110,16 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        return sr_scpi_scan(di->context, options, hmo_probe_serial_device);
 }
 
-static void clear_helper(void *priv)
+static void clear_helper(struct dev_context *devc)
 {
-       struct dev_context *devc;
-
-       devc = priv;
-
        hmo_scope_state_free(devc->model_state);
-
        g_free(devc->analog_groups);
        g_free(devc->digital_groups);
 }
 
 static int dev_clear(const struct sr_dev_driver *di)
 {
-       return std_dev_clear_with_callback(di, clear_helper);
+       return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
 static int dev_open(struct sr_dev_inst *sdi)