X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fconrad-digi-35-cpu%2Fprotocol.c;h=caf1e85db17962d376a1777f9e012cbd6157eb81;hb=61b0292217465ea50ebbf8f9c960330d8c1cbacd;hp=cfabdc7b778a72c38397618e295cdec11587e633;hpb=55e32714f994aaf4841b59bc67c82d263aeb0a70;p=libsigrok.git

diff --git a/src/hardware/conrad-digi-35-cpu/protocol.c b/src/hardware/conrad-digi-35-cpu/protocol.c
index cfabdc7b..caf1e85d 100644
--- a/src/hardware/conrad-digi-35-cpu/protocol.c
+++ b/src/hardware/conrad-digi-35-cpu/protocol.c
@@ -48,8 +48,8 @@ SR_PRIV int send_msg1(const struct sr_dev_inst *sdi, char cmd, int param)
 
 	sr_spew("send_msg1(): %c%c%c%c\\r", buf[0], buf[1], buf[2], buf[3]);
 
-	if (serial_write_blocking(serial, buf, sizeof(buf)) == -1) {
-		sr_err("Write error for cmd=%c: %d %s", cmd, errno, strerror(errno));
+	if (serial_write_blocking(serial, buf, sizeof(buf), 0) < (int)sizeof(buf)) {
+		sr_err("Write error for cmd=%c", cmd);
 		return SR_ERR;
 	}