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setupapi: Fix a structure size check for 64-bit.

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This commit is contained in:
Alexandre Julliard 2009-08-27 20:23:40 +02:00
parent fdf191a9e0
commit aaf908ab32
1 changed files with 3 additions and 4 deletions
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7
dlls/setupapi/devinst.c
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@ -2916,8 +2916,7 @@ BOOL WINAPI SetupDiGetDeviceInterfaceDetailA(
{
struct DeviceInfoSet *set = DeviceInfoSet;
struct InterfaceInfo *info;
DWORD bytesNeeded = offsetof(SP_DEVICE_INTERFACE_DETAIL_DATA_A, DevicePath)
+ 1;
DWORD bytesNeeded = FIELD_OFFSET(SP_DEVICE_INTERFACE_DETAIL_DATA_A, DevicePath[1]);
BOOL ret = FALSE;
TRACE("(%p, %p, %p, %d, %p, %p)\n", DeviceInfoSet,
@ -2937,8 +2936,8 @@ BOOL WINAPI SetupDiGetDeviceInterfaceDetailA(
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (DeviceInterfaceDetailData && (DeviceInterfaceDetailData->cbSize !=
offsetof(SP_DEVICE_INTERFACE_DETAIL_DATA_A, DevicePath) + sizeof(char)))
if (DeviceInterfaceDetailData &&
DeviceInterfaceDetailData->cbSize != sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A))
{
SetLastError(ERROR_INVALID_USER_BUFFER);
return FALSE;