X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fstoresession.cpp;fp=pv%2Fstoresession.cpp;h=494f2db3b91e7b8fe34ea1cfa56471f5ba4a8fc5;hp=50815c26dcedfcaff7716f115b2eb376c371960a;hb=7b7ab1f5cb3607bf29885eeffcb2cb215b2c9e9f;hpb=7671200bd71de8cdd922b41b025ea18de6422345

diff --git a/pv/storesession.cpp b/pv/storesession.cpp
index 50815c26..494f2db3 100644
--- a/pv/storesession.cpp
+++ b/pv/storesession.cpp
@@ -145,6 +145,7 @@ bool StoreSession::start()
 	uint64_t end_sample;
 
 	if (sample_range_.first == sample_range_.second) {
+		// No sample range specified, save everything we have
 		start_sample_ = 0;
 		sample_count_ =	any_segment->get_sample_count();
 	} else {
@@ -159,6 +160,12 @@ bool StoreSession::start()
 		}
 	}
 
+	// Make sure the sample range is valid
+	if (start_sample_ > any_segment->get_sample_count()) {
+		error_ = tr("Can't save range without sample data.");
+		return false;
+	}
+
 	// Begin storing
 	try {
 		const auto context = session_.device_manager().context();