From e98d13746fc6c007319e94849883d8ab6feabfb6 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Thu, 26 Sep 2019 04:03:21 +0200
Subject: Fix crash when calling CFRunLoopStop without the runloop being set

---
 src/libirecovery.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libirecovery.c b/src/libirecovery.c
index 9d5911d..2ebe89c 100644
--- a/src/libirecovery.c
+++ b/src/libirecovery.c
@@ -2269,7 +2269,9 @@ IRECV_API irecv_error_t irecv_device_event_unsubscribe(irecv_device_event_contex
 
 	if (num == 0) {
 #ifdef HAVE_IOKIT
-		CFRunLoopStop(iokit_runloop);
+		if (iokit_runloop) {
+			CFRunLoopStop(iokit_runloop);
+		}
 #endif
 		thread_join(th_event_handler);
 		thread_free(th_event_handler);
-- 
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