config_list: Don't check for sdi->priv != NULL.

[libsigrok.git] / src / hardware / rigol-ds / api.c

diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c
index ce8fa116734318e1d22b9285117b0df29076304a..e743608381952bc46825564cca42650bac46b028 100644 (file)
--- a/src/hardware/rigol-ds/api.c
+++ b/src/hardware/rigol-ds/api.c
@@ -272,11 +272,6 @@ static int dev_clear(const struct sr_dev_driver *di)
        return std_dev_clear(di, clear_helper);
 }
 
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
-       return std_init(di, sr_ctx);
-}
-
 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 {
        struct dev_context *devc;
@@ -506,9 +501,11 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
        int idx = -1;
        unsigned i;
 
-       if (!sdi || !(devc = sdi->priv))
+       if (!sdi)
                return SR_ERR_ARG;
 
+       devc = sdi->priv;
+
        /* If a channel group is specified, it must be a valid one. */
        if (cg && !g_slist_find(sdi->channel_groups, cg)) {
                sr_err("Invalid channel group specified.");
@@ -637,8 +634,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        const char *tmp_str;
        char buffer[16];
 
-       if (!(devc = sdi->priv))
-               return SR_ERR_ARG;
+       devc = sdi->priv;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
@@ -809,8 +805,9 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        }
 
        /* Every other option requires a valid device instance. */
-       if (!sdi || !(devc = sdi->priv))
+       if (!sdi)
                return SR_ERR_ARG;
+       devc = sdi->priv;
 
        /* If a channel group is specified, it must be a valid one. */
        if (cg && !g_slist_find(sdi->channel_groups, cg)) {
@@ -1061,7 +1058,7 @@ SR_PRIV struct sr_dev_driver rigol_ds_driver_info = {
        .name = "rigol-ds",
        .longname = "Rigol DS",
        .api_version = 1,
-       .init = init,
+       .init = std_init,
        .cleanup = std_cleanup,
        .scan = scan,
        .dev_list = std_dev_list,