Re: [PATCH v7 0/1] MR1282: ntoskrnl.exe: Implement ExInterlockedInsertTailList.

[Zebediah Figura (＠zfigura)]

Zebediah Figura (@zfigura) commented about dlls/ntoskrnl.exe/sync.c:
> +{
> - PLIST_ENTRY ret;
> - KIRQL irql;
> -
> - TRACE( "(%p %p %p)\n", head, entry, lock );
> -
> - if ( !head || !entry || !lock )
> -
>    return NULL;
> -
> - KeAcquireSpinLock( lock, &irql );
> -
> - if ( IsListEmpty(head) )
> - {
> -
>    KeReleaseSpinLock( lock, irql );
> -
>    return NULL;
> - }

So... if the list was empty we don't insert the item? Are you sure that's right?