Enforce open device before config_set()/dev_acquisition_start()

[libsigrok.git] / hardware / openbench-logic-sniffer / api.c

diff --git a/hardware/openbench-logic-sniffer/api.c b/hardware/openbench-logic-sniffer/api.c
index ba804ef98ed916dc8fa6e9182c5283e4f1a813ef..1a449a6b6ad63a7e52dd2e0289076c2599e9479c 100644 (file)
--- a/hardware/openbench-logic-sniffer/api.c
+++ b/hardware/openbench-logic-sniffer/api.c
@@ -280,6 +280,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
        int ret;
        uint64_t tmp_u64;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        devc = sdi->priv;
 
        switch (id) {
@@ -366,12 +369,12 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        int num_channels;
        int i;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        devc = sdi->priv;
        serial = sdi->conn;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR;
-
        if (ols_configure_probes(sdi) != SR_OK) {
                sr_err("Failed to configure probes.");
                return SR_ERR;