From: gikidy <gikidy@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 10 Jul 2009 03:05:10 +0000 (+0000)
Subject: Fix a bug that process received data twice, it will cause serial work incorrect.
X-Git-Tag: edk2-stable201903~17455
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=2e01113094b2817712e1e00a975e7837a2c2a341

Fix a bug that process received data twice, it will cause serial work incorrect.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8854 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
index 65f072356b..c50e532ee3 100644
--- a/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
+++ b/IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
@@ -852,7 +852,6 @@ IsaSerialReceiveTransmit (
             WRITE_MCR (SerialDevice->IsaIo, SerialDevice->BaseAddress, Mcr.Data);
           }
 
-          IsaSerialFifoAdd (&SerialDevice->Receive, Data);
 
           continue;
         } else {