X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Ffluke-dmm%2Fapi.c;h=f533f1c5df7d7a2731f187b28779efea7c709944;hb=366ccb8ab75f7291a11e677034085c702a1c5361;hp=b0cee61c8396d865bbade1083775cdfa68a8ebdf;hpb=dd7a72ea697a172032f5473b0ddff5e8d47222f4;p=libsigrok.git

diff --git a/src/hardware/fluke-dmm/api.c b/src/hardware/fluke-dmm/api.c
index b0cee61c..f533f1c5 100644
--- a/src/hardware/fluke-dmm/api.c
+++ b/src/hardware/fluke-dmm/api.c
@@ -90,7 +90,7 @@ static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn,
 
 		/* Response is first a CMD_ACK byte (ASCII '0' for OK,
 		 * or '1' to signify an error. */
-		len = 128;
+		len = sizeof(buf);
 		serial_readline(serial, &b, &len, 150);
 		if (len != 1)
 			continue;
@@ -98,7 +98,7 @@ static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn,
 			continue;
 
 		/* If CMD_ACK was OK, ID string follows. */
-		len = 128;
+		len = sizeof(buf);
 		serial_readline(serial, &b, &len, 850);
 		if (len < 10)
 			continue;