X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=session.c;fp=session.c;h=7eeab16b839a4b6ab3a275b5dc0fda5aa26915d4;hb=ca27aa8f9d91d68bfd55fb17fea181a1ba6054a4;hp=109ede10516251c8079d40ce67575532013867f4;hpb=a3a2a26d2a93d1fe7a3bb2e8eb732509c8c905e6;p=libsigrokdecode.git

diff --git a/session.c b/session.c
index 109ede1..7eeab16 100644
--- a/session.c
+++ b/session.c
@@ -170,10 +170,27 @@ SRD_API int srd_session_metadata_set(struct srd_session *sess, int key,
 		return SRD_ERR_ARG;
 	}
 
+	if (!key) {
+		srd_err("Invalid key.");
+		return SRD_ERR_ARG;
+	}
+
+	if (!data) {
+		srd_err("Invalid value.");
+		return SRD_ERR_ARG;
+	}
+
+	/* Hardcoded to samplerate/uint64 for now. */
+
 	if (key != SRD_CONF_SAMPLERATE) {
 		srd_err("Unknown config key %d.", key);
 		return SRD_ERR_ARG;
 	}
+	if (!g_variant_is_of_type(data, G_VARIANT_TYPE_UINT64)) {
+		srd_err("Invalid value type: expected uint64, got %s",
+				g_variant_get_type_string(data));
+		return SRD_ERR_ARG;
+	}
 
 	srd_dbg("Setting session %d samplerate to %"PRIu64".",
 			sess->session_id, g_variant_get_uint64(data));