X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fkorad-kaxxxxp%2Fprotocol.c;h=3476367015fa0bdb049aace24979ba1bc46b7d5b;hb=5dfa77b5;hp=2d0cb9b55e97b620d5cf9f25427c50b88278df38;hpb=d2cc60bd4511c1154eef67e4c7abccb3fd34faab;p=libsigrok.git

diff --git a/src/hardware/korad-kaxxxxp/protocol.c b/src/hardware/korad-kaxxxxp/protocol.c
index 2d0cb9b5..34763670 100644
--- a/src/hardware/korad-kaxxxxp/protocol.c
+++ b/src/hardware/korad-kaxxxxp/protocol.c
@@ -21,7 +21,6 @@
 #include <config.h>
 #include "protocol.h"
 
-#define REQ_TIMEOUT_MS 500
 #define DEVICE_PROCESSING_TIME_MS 80
 
 SR_PRIV int korad_kaxxxxp_send_cmd(struct sr_serial_dev_inst *serial,
@@ -298,8 +297,11 @@ SR_PRIV int korad_kaxxxxp_get_value(struct sr_serial_dev_inst *serial,
 		break;
 	default:
 		sr_err("Don't know how to query %d.", target);
+		ret = SR_ERR;
+	}
+	if (ret != SR_OK) {
 		g_mutex_unlock(&devc->rw_mutex);
-		return SR_ERR;
+		return ret;
 	}
 
 	devc->req_sent_at = g_get_monotonic_time();
@@ -309,8 +311,6 @@ SR_PRIV int korad_kaxxxxp_get_value(struct sr_serial_dev_inst *serial,
 		return ret;
 	}
 
-	reply[count] = 0;
-
 	if (value) {
 		sr_atof_ascii((const char *)&reply, value);
 		sr_dbg("value: %f", *value);