X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fmaynuo-m97%2Fapi.c;h=0e593938eb4c15f74f3957a60f7a89912dffbbc3;hb=fe535a89c9b8dfceeb7706c71af5aad7f6dcda26;hp=ebc0ddab85a96bd81ce7f1e416215ead5dd878da;hpb=4072d5b42fdbafe3866584c7405023c361459a40;p=libsigrok.git

diff --git a/src/hardware/maynuo-m97/api.c b/src/hardware/maynuo-m97/api.c
index ebc0ddab..0e593938 100644
--- a/src/hardware/maynuo-m97/api.c
+++ b/src/hardware/maynuo-m97/api.c
@@ -363,9 +363,13 @@ static int config_list(uint32_t key, GVariant **data,
 			*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
 			break;
 		case SR_CONF_VOLTAGE_TARGET:
+			if (!devc || !devc->model)
+				return SR_ERR_ARG;
 			*data = std_gvar_min_max_step(0.0, devc->model->max_voltage, 0.001);
 			break;
 		case SR_CONF_CURRENT_LIMIT:
+			if (!devc || !devc->model)
+				return SR_ERR_ARG;
 			*data = std_gvar_min_max_step(0.0, devc->model->max_current, 0.0001);
 			break;
 		default: