[syslinux] tftp behaves erroneously on "File not found"

[H. Peter Anvin]

Роман Донченко wrote:
> 
> Looks like tftp-hpa handles missing files somewhat incorrectly. When it 
> receives the error 1 (File not found), it sends back an acknowledgement for 
> block #1 and creates an empty file. Protocol says errors terminate the 
> connection.
> 
> I can't try other errors, as I can't cause them; but they may cause the same 
> behaviour.
> 

What operation is this?  Server or client?

	-hpa