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rigol-ds: fix calls to config_list with NULL sdi/devc.

This commit is contained in:
Martin Ling 2013-11-01 21:32:33 +00:00
parent bafd489094
commit 7cc1a55091
1 changed files with 13 additions and 1 deletions
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14
hardware/rigol-ds/api.c
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@ -584,7 +584,10 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
GVariant *tuple, *rational[2];
GVariantBuilder gvb;
unsigned int i;
struct dev_context *devc = sdi->priv;
struct dev_context *devc = NULL;
if (sdi)
devc = sdi->priv;
if (key == SR_CONF_SCAN_OPTIONS) {
*data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
@ -639,6 +642,9 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
*data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
break;
case SR_CONF_VDIV:
if (!devc)
/* Can't know this until we have the exact model. */
return SR_ERR_ARG;
if (!probe_group) {
sr_err("No probe group specified.");
return SR_ERR_PROBE_GROUP;
@ -653,6 +659,9 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
*data = g_variant_builder_end(&gvb);
break;
case SR_CONF_TIMEBASE:
if (!devc)
/* Can't know this until we have the exact model. */
return SR_ERR_ARG;
g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
for (i = 0; i < devc->num_timebases; i++) {
rational[0] = g_variant_new_uint64(devc->timebases[i][0]);
@ -663,6 +672,9 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
*data = g_variant_builder_end(&gvb);
break;
case SR_CONF_TRIGGER_SOURCE:
if (!devc)
/* Can't know this until we have the exact model. */
return SR_ERR_ARG;
*data = g_variant_new_strv(trigger_sources,
devc->model->has_digital ? ARRAY_SIZE(trigger_sources) : 4);
break;