X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoder.c;h=cef4f299aea927d76d64adbb8ba9dcc39a2bf927;hp=2eb9a573136cb206bffc4c30a052b2ebb9c76f49;hb=c69e72bc8d3524140959157fb605b7dd53b40af4;hpb=be760e5965e6f4213b010ff088d6ecc3d3ee066b

diff --git a/decoder.c b/decoder.c
index 2eb9a57..cef4f29 100644
--- a/decoder.c
+++ b/decoder.c
@@ -171,6 +171,7 @@ static void decoder_free(struct srd_decoder *dec)
 
 	g_slist_free_full(dec->outputs, g_free);
 	g_slist_free_full(dec->inputs, g_free);
+	g_slist_free_full(dec->tags, g_free);
 	g_free(dec->license);
 	g_free(dec->desc);
 	g_free(dec->longname);
@@ -802,6 +803,11 @@ SRD_API int srd_decoder_load(const char *module_name)
 		goto err_out;
 	}
 
+	if (py_attr_as_strlist(d->py_dec, "tags", &(d->tags)) != SRD_OK) {
+		fail_txt = "missing or malformed 'tags' attribute";
+		goto err_out;
+	}
+
 	/* All options and their default values. */
 	if (get_options(d) != SRD_OK) {
 		fail_txt = "cannot get options";
@@ -863,7 +869,7 @@ err_out:
 /**
  * Return a protocol decoder's docstring.
  *
- * @param dec The loaded protocol decoder.
+ * @param dec The loaded protocol decoder. Must not be NULL.
  *
  * @return A newly allocated buffer containing the protocol decoder's
  *         documentation. The caller is responsible for free'ing the buffer.
@@ -879,7 +885,7 @@ SRD_API char *srd_decoder_doc_get(const struct srd_decoder *dec)
 	if (!srd_check_init())
 		return NULL;
 
-	if (!dec)
+	if (!dec || !dec->py_mod)
 		return NULL;
 
 	gstate = PyGILState_Ensure();