X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fcolead-slm%2Fprotocol.c;h=570e7db33a6a918eecff07f11bf2a9817dcd09be;hb=d999f2b61e96882aed01fd58cbf45e773b855009;hp=b577f236c0ac85de0ba475a9338660ba63379b78;hpb=d2f7c417fdd96a13d8fd86350d2fc13db16f626c;p=libsigrok.git

diff --git a/src/hardware/colead-slm/protocol.c b/src/hardware/colead-slm/protocol.c
index b577f236..570e7db3 100644
--- a/src/hardware/colead-slm/protocol.c
+++ b/src/hardware/colead-slm/protocol.c
@@ -202,7 +202,7 @@ SR_PRIV int colead_slm_receive_data(int fd, int revents, void *cb_data)
 
 	serial = sdi->conn;
 	if (devc->state == IDLE) {
-		if (serial_read_nonblocking(serial, buf, 128) != 1 || buf[0] != 0x10)
+		if (serial_read_nonblocking(serial, buf, sizeof(buf)) != 1 || buf[0] != 0x10)
 			/* Nothing there, or caught the tail end of a previous packet,
 			 * or some garbage. Unless it's a single "data ready" byte,
 			 * we don't want it. */