From: Martin Ling <redacted>
Date: Wed, 22 Jan 2014 05:07:20 +0000 (+0000)
Subject: rigol-ds: Fix divide by zero when no analog probes selected.
X-Git-Tag: libsigrok-0.3.0~199
X-Git-Url: http://sigrok.org/gitweb/?a=commitdiff_plain;h=824eb2acfd1a9047f4044370c6375a79d7e2c7b2;p=libsigrok.git

rigol-ds: Fix divide by zero when no analog probes selected.
---

diff --git a/hardware/rigol-ds/api.c b/hardware/rigol-ds/api.c
index 598978e3..4fc0cd17 100644
--- a/hardware/rigol-ds/api.c
+++ b/hardware/rigol-ds/api.c
@@ -515,6 +515,9 @@ static int analog_frame_size(const struct sr_dev_inst *sdi)
 			analog_probes++;
 	}
 
+	if (analog_probes == 0)
+		return 0;
+
 	switch (devc->data_source) {
 	case DATA_SOURCE_LIVE:
 		return devc->model->series->live_samples;