X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=instance.c;h=3fa3e5dc8b4ec857817f3ac4a8a3902789cef72b;hb=2730fe2397101f2c0a66abd3a7fd5fa531d3c710;hp=bfe9142860d76829ce2f609ddbf1bd23fbe312f1;hpb=9576e005e18b2d0131e0fce5279a401cbe71c0f8;p=libsigrokdecode.git

diff --git a/instance.c b/instance.c
index bfe9142..3fa3e5d 100644
--- a/instance.c
+++ b/instance.c
@@ -546,14 +546,6 @@ SRD_PRIV int srd_inst_decode(const struct srd_decoder_inst *di,
 	PyObject *py_res;
 	srd_logic *logic;
 
-	((struct srd_decoder_inst *)di)->data_unitsize = unitsize;
-
-	srd_dbg("Calling decode(), start sample %" PRIu64 ", end sample %"
-		PRIu64 " (%" PRIu64 " samples, %" PRIu64 " bytes, unitsize = "
-		"%d), instance %s.", start_samplenum, end_samplenum,
-		end_samplenum - start_samplenum, inbuflen, di->data_unitsize,
-		di->inst_id);
-
 	/* Return an error upon unusable input. */
 	if (!di) {
 		srd_dbg("empty decoder instance");
@@ -568,6 +560,14 @@ SRD_PRIV int srd_inst_decode(const struct srd_decoder_inst *di,
 		return SRD_ERR_ARG;
 	}
 
+	((struct srd_decoder_inst *)di)->data_unitsize = unitsize;
+
+	srd_dbg("Calling decode(), start sample %" PRIu64 ", end sample %"
+		PRIu64 " (%" PRIu64 " samples, %" PRIu64 " bytes, unitsize = "
+		"%d), instance %s.", start_samplenum, end_samplenum,
+		end_samplenum - start_samplenum, inbuflen, di->data_unitsize,
+		di->inst_id);
+
 	/*
 	 * Create new srd_logic object. Each iteration around the PD's loop
 	 * will fill one sample into this object.