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From: "Marvin Häuser" <Marvin.Haeuser@outlook.com>
To: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: "star.zeng@intel.com" <star.zeng@intel.com>,
	"eric.dong@intel.com" <eric.dong@intel.com>,
	"ruiyu.ni@intel.com" <ruiyu.ni@intel.com>
Subject: [PATCH 1/2] MdeModulePkg/PciBusDxe: Prevent truncating constant values.
Date: Tue, 27 Feb 2018 16:49:55 +0000	[thread overview]
Message-ID: <AM4PR06MB1491FD43ADA90A28F8B4922780C00@AM4PR06MB1491.eurprd06.prod.outlook.com> (raw)

The toolcahin VS2015x86 issues warnings when truncating constant
values. Explicitely cast such to avoid it.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
---
 MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c
index 2f713fcee95e..a752853f3e9e 100644
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c
@@ -1936,7 +1936,7 @@ ProgramP2C (
                    &BridgeControl
                    );
 
-      BridgeControl &= (UINT16) ~PCI_CARD_PREFETCHABLE_MEMORY_0_ENABLE;
+      BridgeControl &= (UINT16) ~(UINT16)PCI_CARD_PREFETCHABLE_MEMORY_0_ENABLE;
       PciIo->Pci.Write (
                    PciIo,
                    EfiPciIoWidthUint16,
@@ -2005,7 +2005,7 @@ ProgramP2C (
                    &BridgeControl
                    );
 
-      BridgeControl &= (UINT16) ~(PCI_CARD_PREFETCHABLE_MEMORY_1_ENABLE);
+      BridgeControl &= (UINT16) ~(UINT16)(PCI_CARD_PREFETCHABLE_MEMORY_1_ENABLE);
       PciIo->Pci.Write (
                    PciIo,
                    EfiPciIoWidthUint16,
-- 
2.16.0.windows.2



             reply	other threads:[~2018-02-27 16:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-27 16:49 Marvin Häuser [this message]
2018-02-27 18:42 ` [PATCH 1/2] MdeModulePkg/PciBusDxe: Prevent truncating constant values Laszlo Ersek
2018-02-27 18:50   ` Andrew Fish
2018-02-27 18:57     ` Marvin Häuser
2018-02-28 11:42     ` Laszlo Ersek
2018-02-28 11:48       ` Marvin Häuser

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