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[NTOSKRNL]

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Also lock IopSecurityResource during access check in IopParseDevice

svn path=/trunk/; revision=65860
This commit is contained in:
Pierre Schweitzer 2014-12-28 13:15:14 +00:00
parent 938f228699
commit 14cce518d3
1 changed files with 6 additions and 0 deletions
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6
reactos/ntoskrnl/io/iomgr/file.c
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@ -393,6 +393,9 @@ IopParseDevice(IN PVOID ParseObject,
(!(OpenPacket->RelatedFileObject) || (VolumeOpen)) &&
!(OpenPacket->Override))
{
KeEnterCriticalRegion();
ExAcquireResourceSharedLite(&IopSecurityResource, TRUE);
/* Check if a device object is being parsed */
if (!RemainingName->Length)
{
@ -504,6 +507,9 @@ IopParseDevice(IN PVOID ParseObject,
}
}
ExReleaseResourceLite(&IopSecurityResource);
KeLeaveCriticalRegion();
/* Check if we hold the lock */
if (LockHeld)
{