Other method to avoid "unused var" compiler warnings.

[libsigrok.git] / hardware / saleae-logic / saleae-logic.c

diff --git a/hardware/saleae-logic/saleae-logic.c b/hardware/saleae-logic/saleae-logic.c
index a1ab755b149c2b0b6e479575e2b4ab1c468c1a0d..44fe0a4a5094c9c802cf952a120708f6cfbfe616 100644 (file)
--- a/hardware/saleae-logic/saleae-logic.c
+++ b/hardware/saleae-logic/saleae-logic.c
@@ -292,7 +292,7 @@ static int hw_init(const char *deviceinfo)
        int err, devcnt, i, j;
 
        /* Avoid compiler warnings. */
-       deviceinfo = deviceinfo;
+       (void)deviceinfo;
 
        if (libusb_init(&usb_context) != 0) {
                sr_warn("Failed to initialize USB.");
@@ -554,9 +554,9 @@ static int receive_data(int fd, int revents, void *user_data)
        struct timeval tv;
 
        /* Avoid compiler warnings. */
-       fd = fd;
-       revents = revents;
-       user_data = user_data;
+       (void)fd;
+       (void)revents;
+       (void)user_data;
 
        tv.tv_sec = tv.tv_usec = 0;
        libusb_handle_events_timeout(usb_context, &tv);
@@ -780,7 +780,7 @@ static void hw_stop_acquisition(int device_index, gpointer session_data)
        struct sr_datafeed_packet packet;
 
        /* Avoid compiler warnings. */
-       device_index = device_index;
+       (void)device_index;
 
        packet.type = SR_DF_END;
        sr_session_bus(session_data, &packet);