scpi-dmm: minor style adjustment (gdm906x, analog init, comments, diag)

[libsigrok.git] / src / hardware / scpi-dmm / api.c

diff --git a/src/hardware/scpi-dmm/api.c b/src/hardware/scpi-dmm/api.c
index cdd4d7cdf2c14dee75e50ca6f36089ac30c3c260..a8b46d027ebb31147d38fcca88cec4b69ceabd81 100644 (file)
--- a/src/hardware/scpi-dmm/api.c
+++ b/src/hardware/scpi-dmm/api.c
@@ -279,7 +279,6 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        devc->num_channels = model->num_channels;
        devc->cmdset = model->cmdset;
        devc->model = model;
-       devc->precision = NULL;
 
        for (i = 0; i < devc->num_channels; i++) {
                channel_name = g_strdup_printf("P%zu", i + 1);
@@ -449,14 +448,13 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
                ret = sr_scpi_get_string(scpi, command, &response);
                if (ret == SR_OK) {
                        g_strstrip(response);
-                       if (devc->precision)
-                               g_free(devc->precision);
-                       devc->precision=g_strdup(response);
+                       g_free(devc->precision);
+                       devc->precision = g_strdup(response);
                        g_free(response);
                        sr_dbg("%s: Precision: '%s'", __func__, devc->precision);
                } else {
-                       sr_info("%s: Precision query ('%s') failed: %d",
-                               __func__, command, ret);
+                       sr_info("Precision query ('%s') failed: %d",
+                               command, ret);
                }
        }
 
@@ -499,10 +497,8 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 
        std_session_send_df_end(sdi);
 
-       if (devc->precision) {
-               g_free(devc->precision);
-               devc->precision = NULL;
-       }
+       g_free(devc->precision);
+       devc->precision = NULL;
 
        return SR_OK;
 }