Code consistency fixes

diff --git a/src/sigrok.c b/src/sigrok.c
index 9dc8831..28adfbd 100644 (file)
--- a/src/sigrok.c
+++ b/src/sigrok.c
@@ -66,28 +66,27 @@ static int sigrok_log_callback(void*cb_data __attribute__((unused)),
 
 static int sigrok_config_device(oconfig_item_t *ci)
 {
-       oconfig_item_t *item;
        struct config_device *cfdev;
        int i;
 
        if (!(cfdev = malloc(sizeof(struct config_device)))) {
                ERROR("malloc() failed.");
-               return 1;
+               return -1;
        }
        memset(cfdev, 0, sizeof(*cfdev));
        if (cf_util_get_string(ci, &cfdev->name)) {
                free(cfdev);
                WARNING("Invalid device name.");
-               return 1;
+               return -1;
        }
        cfdev->min_dispatch_interval = DEFAULT_MIN_DISPATCH_INTERVAL;
 
        for (i = 0; i < ci->children_num; i++) {
-               item = ci->children + i;
+               oconfig_item_t *item = ci->children + i;
                if (item->values_num != 1) {
                        free(cfdev);
                        WARNING("Missing value for '%s'.", item->key);
-                       return 1;
+                       return -1;
                }
                if (!strcasecmp(item->key, "driver"))
                        cf_util_get_string(item, &cfdev->driver);
@@ -108,11 +107,10 @@ static int sigrok_config_device(oconfig_item_t *ci)
 
 static int sigrok_config(oconfig_item_t *ci)
 {
-       oconfig_item_t *item;
        int tmp, i;
 
        for (i = 0; i < ci->children_num; i++) {
-               item = ci->children + i;
+               oconfig_item_t *item = ci->children + i;
                if (!strcasecmp(item->key, "loglevel")) {
                        if (cf_util_get_int(item, &tmp) || tmp < 0 || tmp > 5) {
                                ERROR("Invalid loglevel");
@@ -128,12 +126,6 @@ static int sigrok_config(oconfig_item_t *ci)
        return 0;
 }
 
-static void free_drvopts(struct sr_config *src)
-{
-       g_variant_unref(src->data);
-       g_free(src);
-}
-
 static void sigrok_feed_callback(const struct sr_dev_inst *sdi,
                const struct sr_datafeed_packet *packet, void *cb_data)
 {
@@ -160,7 +152,7 @@ static void sigrok_feed_callback(const struct sr_dev_inst *sdi,
 
        if (packet->type == SR_DF_END) {
                /* TODO: try to restart acquisition after a delay? */
-               INFO("sigrok: acquisition for '%s' ended.", cfdev->name);
+               WARNING("sigrok: acquisition for '%s' ended.", cfdev->name);
                return;
        }
 
@@ -186,6 +178,12 @@ static void sigrok_feed_callback(const struct sr_dev_inst *sdi,
 
 }
 
+static void free_drvopts(struct sr_config *src)
+{
+       g_variant_unref(src->data);
+       g_free(src);
+}
+
 static int sigrok_init_driver(struct config_device *cfdev,
                struct sr_dev_driver *drv)
 {
@@ -214,9 +212,11 @@ static int sigrok_init_driver(struct config_device *cfdev,
        }
        devlist = sr_driver_scan(drv, drvopts);
        g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts);
-       if (!devlist)
-               /* No devices found for this driver, not an error. */
+       if (!devlist) {
+               /* Not an error, but the user should know about it. */
+               WARNING("No device found for '%s'.", cfdev->name);
                return 0;
+       }
 
        if (g_slist_length(devlist) > 1) {
                INFO("sigrok: %d sigrok devices for device entry '%s': must be 1.",
@@ -240,7 +240,7 @@ static int sigrok_init_driver(struct config_device *cfdev,
        return 1;
 }
 
-static void *thread_init(void *arg __attribute__((unused)))
+static void *sigrok_read_thread(void *arg __attribute__((unused)))
 {
        struct sr_dev_driver *drv, **drvlist;
        GSList *l;
@@ -316,7 +316,8 @@ static int sigrok_init(void)
                return -1;
        }
 
-       if ((status = plugin_thread_create(&sr_thread, NULL, thread_init, NULL)) != 0) {
+       if ((status = plugin_thread_create(&sr_thread, NULL, sigrok_read_thread,
+                       NULL)) != 0) {
                ERROR("sigrok: Failed to create thread: %s.", strerror(status));
                return -1;
        }