From 0d609c451bfd55d618aa425bb0967fa84ce7982d Mon Sep 17 00:00:00 2001
From: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
Date: Mon, 22 Apr 2024 19:49:59 +0800
Subject: [PATCH] Revert "fix: the bug about rwbuffer causing mem overflow"

This reverts commit e43aa99ae8751d3cfb845bd20ab491680b6b409c.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
---
 drivers/misc/rwbuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/rwbuffer.c b/drivers/misc/rwbuffer.c
index 8468b56132..009756c1a0 100644
--- a/drivers/misc/rwbuffer.c
+++ b/drivers/misc/rwbuffer.c
@@ -819,7 +819,7 @@ int rwb_initialize(FAR struct rwbuffer_s *rwb)
 
       /* Allocate the write buffer */
 
-      allocsize     = rwb->wrmaxblocks * rwb->blocksize * 2;
+      allocsize     = rwb->wrmaxblocks * rwb->blocksize;
       rwb->wrbuffer = kmm_malloc(allocsize);
       if (!rwb->wrbuffer)
         {