AtaBusDxe: Fix ReadBlockEx andWriteBlockEx to still signal event when the BufferSize is 0.
DiskIoDxe: Fix ReadDiskEx and WriteDiskEx to not modify the user’s buffer when the BufferSize is 0. DiskIoDxe: Fix ReadDiskEx and WriteDiskEx hang issue when the submitted blockio2 task is completed before submitting another blockio2 task. DiskIoDxe: Fix FlushEx to free the flush task item in callback (memory leak issue). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16215 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -4,7 +4,7 @@
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This file implements protocol interfaces: Driver Binding protocol,
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Block IO protocol and DiskInfo protocol.
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Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@@ -1072,6 +1072,10 @@ BlockIoReadWrite (
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}
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if (BufferSize == 0) {
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if ((Token != NULL) && (Token->Event != NULL)) {
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Token->TransactionStatus = EFI_SUCCESS;
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gBS->SignalEvent (Token->Event);
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}
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return EFI_SUCCESS;
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}
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