Sigma: Never send empty packets.

diff --git a/hardware/asix-sigma/asix-sigma.c b/hardware/asix-sigma/asix-sigma.c
index abae17a0127ca9552d7ea3715c616a5489f2626d..bcf96422ef99f585a1a6ed8e889b176779a895c5 100644 (file)
--- a/hardware/asix-sigma/asix-sigma.c
+++ b/hardware/asix-sigma/asix-sigma.c
@@ -922,11 +922,13 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts,
                /* Send rest of the chunk to sigrok. */
                tosend = n - sent;
 
-               packet.type = DF_LOGIC;
-               packet.length = tosend * sizeof(uint16_t);
-               packet.unitsize = 2;
-               packet.payload = samples + sent;
-               session_bus(sigma->session_id, &packet);
+               if (tosend > 0) {
+                       packet.type = DF_LOGIC;
+                       packet.length = tosend * sizeof(uint16_t);
+                       packet.unitsize = 2;
+                       packet.payload = samples + sent;
+                       session_bus(sigma->session_id, &packet);
+               }
 
                *lastsample = samples[n - 1];
        }