Fix a few "value never read" scan-build warnings.

[libsigrok.git] / src / hardware / gmc-mh-1x-2x / protocol.c

diff --git a/src/hardware/gmc-mh-1x-2x/protocol.c b/src/hardware/gmc-mh-1x-2x/protocol.c
index 6cd8694fb55603547da9d6a62549e04b87abb1e1..68a409b4321b0ef72281388eb1c3ef251b97623f 100644 (file)
--- a/src/hardware/gmc-mh-1x-2x/protocol.c
+++ b/src/hardware/gmc-mh-1x-2x/protocol.c
@@ -22,6 +22,7 @@
  *  @internal
  */
 
+#include <config.h>
 #include <math.h>
 #include <string.h>
 #include "protocol.h"
@@ -937,7 +938,6 @@ static int chk_msg14(struct sr_dev_inst *sdi)
        }
 
        if (devc->buf[1] == 0) { /* Error msg from device! */
-               retc = SR_ERR_ARG;
                switch (devc->buf[2]) {
                case 1: /* Not used */
                        sr_err("Device: Illegal error code!");
@@ -1311,7 +1311,8 @@ int req_meas14(const struct sr_dev_inst *sdi)
        devc->cmd_idx = 0;
        create_cmd_14(devc->addr, 8, params, msg);
        devc->req_sent_at = g_get_monotonic_time();
-       if (serial_write_blocking(serial, msg, sizeof(msg), 0) < (int)sizeof(msg)) {
+       if (serial_write_blocking(serial, msg, sizeof(msg),
+                       serial_timeout(serial, sizeof(msg))) < (int)sizeof(msg)) {
                return SR_ERR;
        }
 
@@ -1340,13 +1341,16 @@ int req_stat14(const struct sr_dev_inst *sdi, gboolean power_on)
 
        if (power_on) {
                sr_info("Write some data and wait 3s to turn on powered off device...");
-               if (serial_write_blocking(serial, msg, sizeof(msg), 0) < 0)
+               if (serial_write_blocking(serial, msg, sizeof(msg),
+                               serial_timeout(serial, sizeof(msg))) < 0)
                        return SR_ERR;
                g_usleep(1 * 1000 * 1000);
-               if (serial_write_blocking(serial, msg, sizeof(msg), 0) < 0)
+               if (serial_write_blocking(serial, msg, sizeof(msg),
+                               serial_timeout(serial, sizeof(msg))) < 0)
                        return SR_ERR;
                g_usleep(1 * 1000 * 1000);
-               if (serial_write_blocking(serial, msg, sizeof(msg), 0) < 0)
+               if (serial_write_blocking(serial, msg, sizeof(msg),
+                               serial_timeout(serial, sizeof(msg))) < 0)
                        return SR_ERR;
                g_usleep(1 * 1000 * 1000);
                serial_flush(serial);
@@ -1354,7 +1358,8 @@ int req_stat14(const struct sr_dev_inst *sdi, gboolean power_on)
 
        /* Write message and wait for reply */
        devc->req_sent_at = g_get_monotonic_time();
-       if (serial_write_blocking(serial, msg, sizeof(msg), 0) < (int)sizeof(msg)) {
+       if (serial_write_blocking(serial, msg, sizeof(msg),
+                       serial_timeout(serial, sizeof(msg))) < (int)sizeof(msg)) {
                return SR_ERR;
        }
 
@@ -1531,7 +1536,8 @@ SR_PRIV int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *s
                params[0] = 5;
                params[1] = 5;
                create_cmd_14(devc->addr, 6, params, msg);
-               if (serial_write_blocking(sdi->conn, msg, sizeof(msg), 0) < 0)
+               if (serial_write_blocking(sdi->conn, msg, sizeof(msg),
+                               serial_timeout(sdi->conn, sizeof(msg))) < 0)
                        return SR_ERR;
                else
                        g_usleep(2 * 1000 * 1000); /* Wait to ensure transfer before interface switched off. */