diff options
| -rw-r--r-- | OvmfPkg/XenBusDxe/TestAndClearBit.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/OvmfPkg/XenBusDxe/TestAndClearBit.c b/OvmfPkg/XenBusDxe/TestAndClearBit.c index 410677ee8a..ac01b3ce50 100644 --- a/OvmfPkg/XenBusDxe/TestAndClearBit.c +++ b/OvmfPkg/XenBusDxe/TestAndClearBit.c @@ -2,6 +2,7 @@ Implementation of TestAndClearBit using compare-exchange primitive
Copyright (C) 2015, Linaro Ltd.
+ Copyright (c) 2015, 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
@@ -32,7 +33,7 @@ TestAndClearBit ( // ensure we round towards -Inf, and end up with a positive shift in
// 'Bit', even if 'Bit' itself is negative.
//
- Address += (Bit >> 4) * sizeof(UINT16);
+ Address = (VOID*)((UINT8*) Address + ((Bit >> 4) * sizeof(UINT16)));
Mask = 1U << (Bit & 15);
for (Word = *(UINT16 *) Address; Word & Mask; Word = Read) {
|