From 5041095cad22815968bf861bc9115bb95b41f89b Mon Sep 17 00:00:00 2001
From: Bob Li <342974971@qq.com>
Date: Tue, 12 Jan 2021 14:22:53 +0800
Subject: [PATCH] Fix overflow of rdbWriteRaw return value (#8306)

Saving string of more than 2GB to the RDB file, can result in corrupt RDB, or failure in rdbSave.
S

(cherry picked from commit 3fb4197a742d064236ae4fdccf9dc00ed3b538d3)
---
 src/rdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rdb.c b/src/rdb.c
index 8cb217b73..381991881 100644
--- a/src/rdb.c
+++ b/src/rdb.c
@@ -84,7 +84,7 @@ void rdbReportError(int corruption_error, int linenum, char *reason, ...) {
     exit(1);
 }
 
-static int rdbWriteRaw(rio *rdb, void *p, size_t len) {
+static ssize_t rdbWriteRaw(rio *rdb, void *p, size_t len) {
     if (rdb && rioWrite(rdb,p,len) == 0)
         return -1;
     return len;