On Mon, Jan 18, 2021 at 11:46 AM Alexey Gladkov
[off-list ref] wrote:

Sorry about that. I thought that this code is not needed when switching
from int to refcount_t. I was wrong.

Well, you _may_ be right. I personally didn't check how the return
value is used.

I only reacted to "it certainly _may_ be used, and there is absolutely
no comment anywhere about why it wouldn't matter".

                 Linus