From e170ab6531b39e51dce725f000fddd57b88d8561 Mon Sep 17 00:00:00 2001
From: Soeren Apel <soeren@apelpie.net>
Date: Mon, 4 Jun 2018 18:33:43 +0200
Subject: [PATCH] Session: Handle failing sigrok::Device::read_config() calls

---
 pv/session.cpp | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/pv/session.cpp b/pv/session.cpp
index fba49be8..797a461b 100644
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -950,7 +950,11 @@ void Session::sample_thread_proc(function<void (const QString)> error_handler)
 	if (!device_)
 		return;
 
-	cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+	try {
+		cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+	} catch (Error& e) {
+		cur_samplerate_ = 0;
+	}
 
 	out_of_memory_ = false;
 
@@ -1161,7 +1165,11 @@ void Session::feed_in_logic(shared_ptr<Logic> logic)
 	}
 
 	if (!cur_samplerate_)
-		cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+		try {
+			cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+		} catch (Error& e) {
+			// Do nothing
+		}
 
 	lock_guard<recursive_mutex> lock(data_mutex_);
 
@@ -1198,7 +1206,11 @@ void Session::feed_in_analog(shared_ptr<Analog> analog)
 	}
 
 	if (!cur_samplerate_)
-		cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+		try {
+			cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+		} catch (Error& e) {
+			// Do nothing
+		}
 
 	lock_guard<recursive_mutex> lock(data_mutex_);
 
-- 
2.30.2