From 2a742d5f9b6b61f078fb9d73d7025c227b53f52b Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 21 Dec 2018 12:32:48 +0000
Subject: [PATCH] thread_sync.c (rb_mutex_abandon_keeping_mutexes): remove
 unnecessary check

rb_mutex_abandon_all functions fine when passed a NULL value,
so let the compiler deal with the complexity of the branch
instead of the person reading the code.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66476 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_sync.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/thread_sync.c b/thread_sync.c
index 36ed71bf88..61e952be41 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -407,9 +407,7 @@ rb_mutex_unlock(VALUE self)
 static void
 rb_mutex_abandon_keeping_mutexes(rb_thread_t *th)
 {
-    if (th->keeping_mutexes) {
-	rb_mutex_abandon_all(th->keeping_mutexes);
-    }
+    rb_mutex_abandon_all(th->keeping_mutexes);
     th->keeping_mutexes = NULL;
 }