[PATCH v5 1/2] ntoskrnl.exe: Implement IoRegisterDeviceInterface
Zebediah Figura
z.figura12 at gmail.com
Fri Oct 5 14:44:45 CDT 2018
> + required = 0;
> + SetupDiGetDeviceInterfaceDetailW( infoset, &infoData, NULL, 0,
&required, NULL );
> + if (required == 0)
> + {
> + ERR( "Failed to get required size for interface\n" );
> + return STATUS_UNSUCCESSFUL;
> + }
> +
> + required += sizeof(WCHAR);
> +
> + data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY , required +
sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W) );
I think this is redundant, SetupDiGetDeviceInterfaceDetail() will return
the required length including the size of the struct.
Otherwise this patch looks correct to me.
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