From cbb956567b715acd3022eb07a46eb6e23cd038e1 Mon Sep 17 00:00:00 2001
From: Paul Scott <paul.m.sco@gmail.com>
Date: Mon, 19 Sep 2016 11:48:54 +1000
Subject: Prevented uv adapter from calling write when context has been freed

---
 adapters/libuv.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'adapters')

diff --git a/adapters/libuv.h b/adapters/libuv.h
index 3cdf3d3..ff08c25 100644
--- a/adapters/libuv.h
+++ b/adapters/libuv.h
@@ -20,10 +20,10 @@ static void redisLibuvPoll(uv_poll_t* handle, int status, int events) {
     return;
   }
 
-  if (events & UV_READABLE) {
+  if (p->context != NULL && (events & UV_READABLE)) {
     redisAsyncHandleRead(p->context);
   }
-  if (events & UV_WRITABLE) {
+  if (p->context != NULL && (events & UV_WRITABLE)) {
     redisAsyncHandleWrite(p->context);
   }
 }
@@ -83,6 +83,7 @@ static void on_close(uv_handle_t* handle) {
 static void redisLibuvCleanup(void *privdata) {
   redisLibuvEvents* p = (redisLibuvEvents*)privdata;
 
+  p->context = NULL; // indicate that context might no longer exist
   uv_close((uv_handle_t*)&p->handle, on_close);
 }
 
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