session_driver: Fix return codes, cosmetics.

diff --git a/session_driver.c b/session_driver.c
index 07a5786090846b8a2ec4a8c921d416b5544d4b24..435d46af6dee27ed001f73d45910b458c49e145e 100644 (file)
--- a/session_driver.c
+++ b/session_driver.c
@@ -139,7 +139,7 @@ static int cleanup(void)
 static int dev_open(struct sr_dev_inst *sdi)
 {
        if (!(sdi->priv = g_try_malloc0(sizeof(struct session_vdev)))) {
-               sr_err("%s: sdi->priv malloc failed", __func__);
+               sr_err("Device context malloc failed.");
                return SR_ERR_MALLOC;
        }
 
@@ -161,7 +161,7 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
                        return SR_ERR;
                break;
        default:
-               return SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
        return SR_OK;
@@ -193,8 +193,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
                vdev->num_probes = g_variant_get_uint64(data);
                break;
        default:
-               sr_err("Unknown capability: %d.", id);
-               return SR_ERR;
+               return SR_ERR_NA;
        }
 
        return SR_OK;
@@ -211,7 +210,7 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
                                hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
                break;
        default:
-               return SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
        return SR_OK;
@@ -262,6 +261,9 @@ SR_PRIV struct sr_dev_driver session_driver = {
        .api_version = 1,
        .init = init,
        .cleanup = cleanup,
+       .scan = NULL,
+       .dev_list = NULL,
+       .dev_clear = NULL,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
@@ -269,4 +271,5 @@ SR_PRIV struct sr_dev_driver session_driver = {
        .dev_close = NULL,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = NULL,
+       .priv = NULL,
 };