Re: [PATCH] tcp_nv: fix division by zero in tcpnv_acked()

From: David Miller
Date: Thu Nov 02 2017 - 03:18:04 EST


From: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
Date: Wed, 01 Nov 2017 16:32:15 +0300

> Average RTT could become zero. This happened in real life at least twice.
> This patch treats zero as 1us.
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>

Applied and queued up for -stable, thank you.

Indeed, as others have mentioned, a cheaper divide should be used
but that is a separate issue from this fix and therefore should be
done in a separate patch.

Thanks again.