Other method to avoid "unused var" compiler warnings.

[libsigrok.git] / hardware / asix-sigma / asix-sigma.c

diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index e7d6f7833103bd608a4a29344bbec7ec2ad9f4ea..e6a109c638b3faa81f7fe5d8b0ead3025fe94318 100644 (file)
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -400,7 +400,7 @@ static int hw_init(const char *deviceinfo)
        struct sigma *sigma;
 
        /* Avoid compiler warnings. */
-       deviceinfo = deviceinfo;
+       (void)deviceinfo;
 
        if (!(sigma = g_try_malloc(sizeof(struct sigma)))) {
                sr_err("sigma: %s: sigma malloc failed", __func__);
@@ -724,7 +724,7 @@ static void *hw_get_device_info(int device_index, int device_info_id)
        void *info = NULL;
 
        if (!(sdi = sr_get_device_instance(device_instances, device_index))) {
-               fprintf(stderr, "It's NULL.\n");
+               sr_err("It's NULL.\n");
                return NULL;
        }
 
@@ -997,8 +997,9 @@ static int receive_data(int fd, int revents, void *session_data)
        uint64_t running_msec;
        struct timeval tv;
 
-       fd = fd;
-       revents = revents;
+       /* Avoid compiler warnings. */
+       (void)fd;
+       (void)revents;
 
        numchunks = (sigma->state.stoppos + 511) / 512;
 
@@ -1245,7 +1246,8 @@ static int hw_start_acquisition(int device_index, gpointer session_data)
        struct triggerinout triggerinout_conf;
        struct triggerlut lut;
 
-       session_data = session_data;
+       /* Avoid compiler warnings. */
+       (void)session_data;
 
        if (!(sdi = sr_get_device_instance(device_instances, device_index)))
                return SR_ERR;
@@ -1361,7 +1363,8 @@ static void hw_stop_acquisition(int device_index, gpointer session_data)
 
        sigma = sdi->priv;
 
-       session_data = session_data;
+       /* Avoid compiler warnings. */
+       (void)session_data;
 
        /* Stop acquisition. */
        sigma_set_register(WRITE_MODE, 0x11, sigma);