From f099161e3c01546d6a296fe10c59e341c679871c Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Sun, 5 Nov 2017 16:14:53 +0100
Subject: restore: Prevent crash in fdr_disconnect() when exiting unexpectedly

---
 src/restore.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/restore.c b/src/restore.c
index 46e4a0f..ab7e50d 100644
--- a/src/restore.c
+++ b/src/restore.c
@@ -2299,12 +2299,12 @@ int restore_device(struct idevicerestore_client_t* client, plist_t build_identit
 		message = NULL;
 	}
 
-	if (fdr_control_channel) {
-		fdr_disconnect(fdr_control_channel);
-		if (fdr_thread) {
+	if (thread_alive(fdr_thread)) {
+		if (fdr_control_channel) {
+			fdr_disconnect(fdr_control_channel);
 			thread_join(fdr_thread);
+			fdr_control_channel = NULL;
 		}
-		fdr_control_channel = NULL;
 	}
 
 	restore_client_free(client);
-- 
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