Enforce open device before config_set()/dev_acquisition_start()

[libsigrok.git] / hardware / chronovu-la8 / api.c

diff --git a/hardware/chronovu-la8/api.c b/hardware/chronovu-la8/api.c
index d7841f3f59cc4f56eaaa3c8c986f9ca251249423..6e5fd5b695638dfc3699516d9e1a43baa87717dc 100644 (file)
--- a/hardware/chronovu-la8/api.c
+++ b/hardware/chronovu-la8/api.c
@@ -308,6 +308,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        if (!(devc = sdi->priv)) {
                sr_err("%s: sdi->priv was NULL.", __func__);
                return SR_ERR_BUG;
@@ -433,6 +436,9 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        uint8_t buf[4];
        int bytes_written;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        if (!(devc = sdi->priv)) {
                sr_err("%s: sdi->priv was NULL.", __func__);
                return SR_ERR_BUG;