lkml.org 
[lkml]   [2017]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH net 0/2] Fragmented SKB corrections
From
From: Doug Berger <opendmb@gmail.com>
Date: Fri, 14 Jul 2017 16:12:08 -0700

> Two issues were observed in a review of the bcmgenet driver support for
> fragmented SKBs which are addressed by this patch set.
>
> The first addresses a problem that could occur if the driver is not able
> to DMA map a fragment of the SKB. This would be a highly unusual event
> but it would leave the hardware descriptors in an invalid state which
> should be prevented.
>
> The second is a hazard that could occur if the driver is able to reclaim
> the first control block of a fragmented SKB before all of its fragments
> have completed processing by the hardware. In this case the SKB could
> be freed leading to reuse of memory that is still in use by hardware.

Series applied, thanks.

\
 
 \ /
  Last update: 2017-07-16 06:30    [W:0.033 / U:2.504 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site