[Bug 52322] wineserver memory leak during HTTPs download (Genshin Impact Launcher, Qt5)

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52322

--- Comment #5 from Bernhard Übelacker  ---
Created attachment 71601
  --> https://bugs.winehq.org/attachment.cgi?id=71601
ntoskrnl: Free memory before pointer gets set to NULL.

Freeing memory in winedevice.exe:
For some reason in dispatch_volume context->in_buff is set to NULL.
By that the memory seems to get never freed. This patch attempts to
release the memory before the pointer is set to NULL.

But I am not sure if this could be the right place
or the right way to do this.