Re: [PATCH] net/packet: fix 4gb buffer limit due to overflow check

[David Miller]

From: Kal Conley <kal.conley@xxxxxxxxxxx>
Date: Sat,  9 Feb 2019 21:37:00 +0100

> When calculating rb->frames_per_block * req->tp_block_nr the result
> can overflow. Check it for overflow without limiting the total buffer
> size to UINT_MAX.
> 
> This change fixes support for packet ring buffers >= UINT_MAX.

Please resubmit with a proper signoff and also an appropriate Fixes:
tag.