[PATCH] dma_buf: remove dmabuf sysfs teardown before release/detach

[guangming.cao at mediatek.com]

From: Guangming Cao <Guangming.Cao at mediatek.com>

On Tue, 2021-07-20 at 11:31 +0200, Christian König wrote:
> Am 19.07.21 um 07:19 schrieb guangming.cao at mediatek.com:
> > From: Guangming Cao <Guangming.Cao at mediatek.com>
> > 
> > Dmabuf sysfs stat is used for dmabuf info track.
> > but these file maybe still use after buffer release/detach,
> > should clear it before buffer release/detach.
> 
> Please rebase on current drm-misc-next. The attachment sysfs files
> have 
> been removed in the meantime.
> 
> Thanks,
> Christian.
> 
updated, thanks for your reminding.