From 9b83ddc2d99ffc2b650e7efc9e0ed82ecb37fdf3 Mon Sep 17 00:00:00 2001
From: Matt Stancliff <matt@genges.com>
Date: Mon, 5 Jan 2015 10:22:22 -0500
Subject: Fix clang analyzer warning

redisAsyncInitialize() can return NULL, but then we pass
the return value from redisAsyncInitialize() into something
dereferencing the return value, which can cause crashies.
---
 async.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/async.c b/async.c
index 8b50de2..5acd01c 100644
--- a/async.c
+++ b/async.c
@@ -142,6 +142,9 @@ static redisAsyncContext *redisAsyncInitialize(redisContext *c) {
 /* We want the error field to be accessible directly instead of requiring
  * an indirection to the redisContext struct. */
 static void __redisAsyncCopyError(redisAsyncContext *ac) {
+    if (!ac)
+        return;
+
     redisContext *c = &(ac->c);
     ac->err = c->err;
     ac->errstr = c->errstr;
-- 
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