From b43c3336ac2b47dd862068a7c1b4242b68e0f2f0 Mon Sep 17 00:00:00 2001
From: Muxi Yan <muxi@users.noreply.github.com>
Date: Thu, 17 May 2018 10:47:57 -0700
Subject: [PATCH] Fix self use in GRXConcurrentWriteable

---
 src/objective-c/RxLibrary/GRXConcurrentWriteable.m | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/objective-c/RxLibrary/GRXConcurrentWriteable.m b/src/objective-c/RxLibrary/GRXConcurrentWriteable.m
index 523c59c6de7..81ccc3fbcea 100644
--- a/src/objective-c/RxLibrary/GRXConcurrentWriteable.m
+++ b/src/objective-c/RxLibrary/GRXConcurrentWriteable.m
@@ -68,7 +68,7 @@
     typeof(self) strongSelf = weakSelf;
     if (strongSelf) {
       BOOL finished = NO;
-      @synchronized(self) {
+      @synchronized(strongSelf) {
         if (!strongSelf->_alreadyFinished) {
           strongSelf->_alreadyFinished = YES;
         } else {
@@ -78,9 +78,9 @@
       if (!finished) {
         // Cancellation is now impossible. None of the other three blocks can run concurrently with
         // this one.
-        [self.writeable writesFinishedWithError:nil];
+        [strongSelf.writeable writesFinishedWithError:nil];
         // Skip any possible message to the wrapped writeable enqueued after this one.
-        self.writeable = nil;
+        strongSelf.writeable = nil;
       }
     }
   });