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error msg on bad call

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svn path=/trunk/; revision=38994
This commit is contained in:
Christoph von Wittich 2009-01-21 13:27:18 +00:00
parent ea36a66139
commit d4835adc0b
1 changed files with 8 additions and 0 deletions
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8
reactos/dll/win32/kernel32/file/deviceio.c
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@ -132,6 +132,10 @@ DeviceIoControl(IN HANDLE hDevice,
/* lpBytesReturned must not be NULL here, in fact Win doesn't /* lpBytesReturned must not be NULL here, in fact Win doesn't
check that case either and crashes (only after the operation check that case either and crashes (only after the operation
completed) */ completed) */
if (!lpBytesReturned)
{
ERR("Bad caller: lpBytesReturned must not be NULL");
}
*lpBytesReturned = Iosb.Information; *lpBytesReturned = Iosb.Information;
} }
else else
@ -184,6 +188,10 @@ GetOverlappedResult (
} }
} }
if (!lpNumberOfBytesTransferred)
{
ERR("Bad caller: lpNumberOfBytesTransferred must not be NULL");
}
*lpNumberOfBytesTransferred = lpOverlapped->InternalHigh; *lpNumberOfBytesTransferred = lpOverlapped->InternalHigh;
if (!NT_SUCCESS(lpOverlapped->Internal)) if (!NT_SUCCESS(lpOverlapped->Internal))