X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fhardware%2Fmotech-lps-30x%2Fapi.c;h=af3ee4f0aecbe504943b9aafb215c6ddc3395769;hb=755793e991c4d429f99254f23008bfddb89d8e00;hp=0c5817897499d3de0121d5260ac69e06d6e0cf4f;hpb=758906aa711c2936e7e9adcb449f70905087a5d9;p=libsigrok.git

diff --git a/src/hardware/motech-lps-30x/api.c b/src/hardware/motech-lps-30x/api.c
index 0c581789..af3ee4f0 100644
--- a/src/hardware/motech-lps-30x/api.c
+++ b/src/hardware/motech-lps-30x/api.c
@@ -650,6 +650,8 @@ static int config_list(uint32_t key, GVariant **data,
 		case SR_CONF_DEVICE_OPTIONS:
 			return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 		case SR_CONF_CHANNEL_CONFIG:
+			if (!devc || !devc->model)
+				return SR_ERR_ARG;
 			if (devc->model->modelid <= LPS_303) {
 				/* The 1-channel models. */
 				*data = g_variant_new_strv(channel_modes, 1);
@@ -675,9 +677,13 @@ static int config_list(uint32_t key, GVariant **data,
 			*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_ch3));
 		break;
 	case SR_CONF_VOLTAGE_TARGET:
+		if (!devc || !devc->model)
+			return SR_ERR_ARG;
 		*data = std_gvar_min_max_step_array(devc->model->channels[ch_idx].voltage);
 		break;
 	case SR_CONF_CURRENT_LIMIT:
+		if (!devc || !devc->model)
+			return SR_ERR_ARG;
 		*data = std_gvar_min_max_step_array(devc->model->channels[ch_idx].current);
 		break;
 	default: