X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=src%2Fhwdriver.c;h=7e16b82a9cecd2aaca78ead54f4456bea77c56bc;hp=0c668e059e36dc4be51598fccc5fec0f9a9cc987;hb=b0baddef5620c5783080d0e8811e668fbc2b38f5;hpb=e5b7eef797ba16ca901fc0a91053329937bd5b26

diff --git a/src/hwdriver.c b/src/hwdriver.c
index 0c668e05..7e16b82a 100644
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -722,7 +722,8 @@ SR_API int sr_config_get(const struct sr_dev_driver *driver,
 /**
  * Set value of a configuration key in a device instance.
  *
- * @param[in] sdi The device instance.
+ * @param[in] sdi The device instance. Must not be NULL. sdi->driver and
+ *                sdi->priv must not be NULL either.
  * @param[in] cg The channel group on the device for which to list the
  *                    values, or NULL.
  * @param[in] key The configuration key (SR_CONF_*).
@@ -746,7 +747,7 @@ SR_API int sr_config_set(const struct sr_dev_inst *sdi,
 
 	g_variant_ref_sink(data);
 
-	if (!sdi || !sdi->driver || !data)
+	if (!sdi || !sdi->driver || !sdi->priv || !data)
 		ret = SR_ERR;
 	else if (!sdi->driver->config_set)
 		ret = SR_ERR_ARG;