hantek-4032l: Fix a compiler warning.

[libsigrok.git] / src / hardware / hantek-6xxx / api.c

diff --git a/src/hardware/hantek-6xxx/api.c b/src/hardware/hantek-6xxx/api.c
index 8d0d280d6ab2434e0f9ec49deeecc900715aa450..01cba5669b920ca601a1bafdf5cfd6e45420f85a 100644 (file)
--- a/src/hardware/hantek-6xxx/api.c
+++ b/src/hardware/hantek-6xxx/api.c
@@ -460,6 +460,8 @@ static int config_list(uint32_t key, GVariant **data,
                        *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
                        break;
                case SR_CONF_COUPLING:
+                       if (!devc)
+                               return SR_ERR_ARG;
                        *data = g_variant_new_strv(devc->coupling_vals, devc->coupling_tab_size);
                        break;
                case SR_CONF_VDIV:
@@ -530,7 +532,7 @@ static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf,
                return;
        }
 
-       for (int ch = 0; ch < 2; ch++) {
+       for (int ch = 0; ch < NUM_CHANNELS; ch++) {
                if (!devc->ch_enabled[ch])
                        continue;