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[NTOS:IO] Avoid an unnecessary stack buffer in OpenRegistryHandlesFromSymbolicLink. CORE-15882

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Thomas Faber 2019-03-24 10:55:04 +01:00
parent b0bb3d0041
commit a976ebb031
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1 changed files with 1 additions and 6 deletions
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7
ntoskrnl/io/iomgr/deviface.c
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@ -37,7 +37,6 @@ OpenRegistryHandlesFromSymbolicLink(IN PUNICODE_STRING SymbolicLinkName,
IN OPTIONAL PHANDLE InstanceKey)
{
OBJECT_ATTRIBUTES ObjectAttributes;
WCHAR PathBuffer[MAX_PATH];
UNICODE_STRING BaseKeyU;
UNICODE_STRING GuidString, SubKeyName, ReferenceString;
PWCHAR StartPosition, EndPosition;
@ -67,11 +66,7 @@ OpenRegistryHandlesFromSymbolicLink(IN PUNICODE_STRING SymbolicLinkName,
*DeviceKeyRealP = NULL;
*InstanceKeyRealP = NULL;
BaseKeyU.Buffer = PathBuffer;
BaseKeyU.Length = 0;
BaseKeyU.MaximumLength = MAX_PATH * sizeof(WCHAR);
RtlAppendUnicodeToString(&BaseKeyU, BaseKeyString);
RtlInitUnicodeString(&BaseKeyU, BaseKeyString);
/* Open the DeviceClasses key */
InitializeObjectAttributes(&ObjectAttributes,