From 6b72b04a37e7a17bb1adc822d0685f6fd39886ff Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 17 Jul 2019 16:46:04 +0200
Subject: [PATCH] Rio: when in error condition avoid doing the operation.

---
 src/rio.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/rio.h b/src/rio.h
index 66036b5bd..6199bb039 100644
--- a/src/rio.h
+++ b/src/rio.h
@@ -102,6 +102,7 @@ typedef struct _rio rio;
  * if needed. */
 
 static inline size_t rioWrite(rio *r, const void *buf, size_t len) {
+    if (r->flags & RIO_FLAG_WRITE_ERROR) return 0;
     while (len) {
         size_t bytes_to_write = (r->max_processing_chunk && r->max_processing_chunk < len) ? r->max_processing_chunk : len;
         if (r->update_cksum) r->update_cksum(r,buf,bytes_to_write);
@@ -117,6 +118,7 @@ static inline size_t rioWrite(rio *r, const void *buf, size_t len) {
 }
 
 static inline size_t rioRead(rio *r, void *buf, size_t len) {
+    if (r->flags & RIO_FLAG_READ_ERROR) return 0;
     while (len) {
         size_t bytes_to_read = (r->max_processing_chunk && r->max_processing_chunk < len) ? r->max_processing_chunk : len;
         if (r->read(r,buf,bytes_to_read) == 0) {