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authorHao Wu <hao.a.wu@intel.com>2016-01-11 00:34:36 +0000
committerhwu1225 <hwu1225@Edk2>2016-01-11 00:34:36 +0000
commitde3ecb331fc45550d41d35110948cb96e32df08a (patch)
tree95f9b92bb559852a86a11263864c479919784084
parent4977ee965f110069bf5e8a66f7d4b345995ef282 (diff)
downloadedk2-platforms-de3ecb331fc45550d41d35110948cb96e32df08a.tar.xz
PcAtChipsetPkg SerialIoLib: Fix VS2010 build error
When overriding compiler options '/GL' with '/GL-', VS2010 will report warning C4701 potentially uninitialized local variable for 'LcrParity' and 'LcrStop' in function SerialPortSetAttributes(). This commit fixes this build issue. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19629 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c b/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c
index 8656785347..1bbb1a2584 100644
--- a/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c
+++ b/PcAtChipsetPkg/Library/SerialIoLib/SerialPortLib.c
@@ -1,7 +1,7 @@
/** @file
UART Serial Port library functions
- Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -417,14 +417,6 @@ SerialPortSetAttributes (
return RETURN_INVALID_PARAMETER;
}
- if ((*Parity < NoParity) || (*Parity > SpaceParity)) {
- return RETURN_INVALID_PARAMETER;
- }
-
- if ((*StopBits < OneStopBit) || (*StopBits > TwoStopBits)) {
- return RETURN_INVALID_PARAMETER;
- }
-
//
// Map 5..8 to 0..3
//
@@ -452,7 +444,7 @@ SerialPortSetAttributes (
break;
default:
- break;
+ return RETURN_INVALID_PARAMETER;
}
switch (*StopBits) {
@@ -466,7 +458,7 @@ SerialPortSetAttributes (
break;
default:
- break;
+ return RETURN_INVALID_PARAMETER;
}
//