Other method to avoid "unused var" compiler warnings.

[libsigrok.git] / session_driver.c

diff --git a/session_driver.c b/session_driver.c
index b7cd5f14916816064bfa05384ed31bed04bb63a2..2782186128124e03866645d2eb9a2d42da5ff1ee 100644 (file)
--- a/session_driver.c
+++ b/session_driver.c
@@ -70,9 +70,9 @@ static int feed_chunk(int fd, int revents, void *session_data)
        void *buf;
        int ret, got_data;
 
-       /* avoid compiler warning */
-       fd = fd;
-       revents = revents;
+       /* Avoid compiler warnings. */
+       (void)fd;
+       (void)revents;
 
        sr_dbg("session_driver: feed chunk");
 
@@ -183,9 +183,8 @@ static void *hw_get_device_info(int device_index, int device_info_id)
 
 static int hw_get_status(int device_index)
 {
-
-       /* avoid compiler warning */
-       device_index = device_index;
+       /* Avoid compiler warnings. */
+       (void)device_index;
 
        if (devices)
                return SR_OK;
@@ -238,8 +237,8 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
        struct sr_datafeed_packet *packet;
        int err;
 
-       /* avoid compiler warning */
-       session_device_id = session_device_id;
+       /* Avoid compiler warnings. */
+       (void)session_device_id;
 
        if (!(vdevice = get_vdevice_by_index(device_index)))
                return SR_ERR;