X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Flogging.cpp;h=29d023c04ad577957aa3a1dbacc52fa0a47acb01;hb=4521022bf4ea07aff38bfa09fe0f7d5702b26475;hp=377011b68c928a40cf1cf14c590a220ea9ac6ece;hpb=1f2082e20445966624f6172ebefd53fb1a021164;p=pulseview.git

diff --git a/pv/logging.cpp b/pv/logging.cpp
index 377011b6..29d023c0 100644
--- a/pv/logging.cpp
+++ b/pv/logging.cpp
@@ -52,11 +52,13 @@ static void *prev_srd_log_cb_data;
 Logging::~Logging()
 {
 	qInstallMessageHandler(nullptr);
-	sr_log_callback_set(prev_sr_log_cb, prev_sr_log_cb_data);
+	if (prev_sr_log_cb)
+		sr_log_callback_set(prev_sr_log_cb, prev_sr_log_cb_data);
 	prev_sr_log_cb = nullptr;
 	prev_sr_log_cb_data = nullptr;
 #ifdef ENABLE_DECODE
-	srd_log_callback_set(prev_srd_log_cb, prev_srd_log_cb_data);
+	if (prev_srd_log_cb)
+		srd_log_callback_set(prev_srd_log_cb, prev_srd_log_cb_data);
 	prev_srd_log_cb = nullptr;
 	prev_srd_log_cb_data = nullptr;
 #endif