Check usb_get_port_path() return value

[libsigrok.git] / src / hardware / saleae-logic-pro / api.c

diff --git a/src/hardware/saleae-logic-pro/api.c b/src/hardware/saleae-logic-pro/api.c
index 269ca5e9e7ead7b5b870282db308c3aaa1ccc403..ae444dd832125bea1ff16880936f3ee5cf9b04f0 100644 (file)
--- a/src/hardware/saleae-logic-pro/api.c
+++ b/src/hardware/saleae-logic-pro/api.c
@@ -240,7 +240,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                if (des.idVendor != 0x21a9 || des.idProduct != 0x1006)
                        continue;
 
-               usb_get_port_path(devlist[i], connection_id, sizeof(connection_id));
+               if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0)
+                       continue;
 
                sdi = g_malloc0(sizeof(struct sr_dev_inst));
                sdi->status = SR_ST_INITIALIZING;
@@ -300,7 +301,7 @@ static int dev_close(struct sr_dev_inst *sdi)
 }
 
 static int config_get(uint32_t key, GVariant **data,
-                     const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
        struct sr_usb_dev_inst *usb;
        struct dev_context *devc;
@@ -328,7 +329,7 @@ static int config_get(uint32_t key, GVariant **data,
 }
 
 static int config_set(uint32_t key, GVariant *data,
-                     const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
        struct dev_context *devc;
 
@@ -348,21 +349,14 @@ static int config_set(uint32_t key, GVariant *data,
 }
 
 static int config_list(uint32_t key, GVariant **data,
-                      const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
-       GVariant *gvar;
-       GVariantBuilder gvb;
-
        switch (key) {
        case SR_CONF_SCAN_OPTIONS:
        case SR_CONF_DEVICE_OPTIONS:
                return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
        case SR_CONF_SAMPLERATE:
-               g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
-               gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"),
-                       samplerates, ARRAY_SIZE(samplerates), sizeof(uint64_t));
-               g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
-               *data = g_variant_builder_end(&gvb);
+               *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates));
                break;
        default:
                return SR_ERR_NA;