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- Check for "!= KernelMode" instead of "== UserMode"

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- Use sizeof(ULONG) instead of "4"
- Add some missing comments

svn path=/trunk/; revision=36021
This commit is contained in:
Stefan Ginsberg
2008-09-07 09:25:31 +00:00
parent 26fef2b1c8
commit 3fecdcc23c
1 changed files with 11 additions and 6 deletions
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reactos/ntoskrnl/config/ntapi.c
+11 -6
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@@ -35,7 +35,7 @@ NtCreateKey(OUT PHANDLE KeyHandle,
DPRINT("NtCreateKey(OB name %wZ)\n", ObjectAttributes->ObjectName);
/* Check for user-mode caller */
if (PreviousMode == UserMode)
if (PreviousMode != KernelMode)
{
/* Prepare to probe parameters */
_SEH_TRY
@@ -56,7 +56,9 @@ NtCreateKey(OUT PHANDLE KeyHandle,
*KeyHandle = NULL;
/* Probe object attributes */
ProbeForRead(ObjectAttributes, sizeof(OBJECT_ATTRIBUTES), 4);
ProbeForRead(ObjectAttributes,
sizeof(OBJECT_ATTRIBUTES),
sizeof(ULONG));
}
_SEH_HANDLE
{
@@ -87,9 +89,8 @@ NtCreateKey(OUT PHANDLE KeyHandle,
_SEH_TRY
{
if (NT_SUCCESS(Status)) *KeyHandle = Handle;
/* Return data to user */
if (NT_SUCCESS(Status)) *KeyHandle = Handle;
if (Disposition) *Disposition = ParseContext.Disposition;
}
_SEH_HANDLE
@@ -117,7 +118,7 @@ NtOpenKey(OUT PHANDLE KeyHandle,
DPRINT("NtOpenKey(OB 0x%wZ)\n", ObjectAttributes->ObjectName);
/* Check for user-mode caller */
if (PreviousMode == UserMode)
if (PreviousMode != KernelMode)
{
/* Prepare to probe parameters */
_SEH_TRY
@@ -127,7 +128,9 @@ NtOpenKey(OUT PHANDLE KeyHandle,
*KeyHandle = NULL;
/* Probe object attributes */
ProbeForRead(ObjectAttributes, sizeof(OBJECT_ATTRIBUTES), 4);
ProbeForRead(ObjectAttributes,
sizeof(OBJECT_ATTRIBUTES),
sizeof(ULONG));
}
_SEH_HANDLE
{
@@ -147,10 +150,12 @@ NtOpenKey(OUT PHANDLE KeyHandle,
&ParseContext,
&Handle);
/* Only do this if we succeeded */
if (NT_SUCCESS(Status))
{
_SEH_TRY
{
/* Return the handle to caller */
*KeyHandle = Handle;
}
_SEH_HANDLE