NAK[B/D]: [SRU] [B/D/E/Unstable] [PATCH 0/2] Fix auto-delink on new ums-realtek devices

Kleber Souza kleber.souza at canonical.com
Fri Sep 27 12:42:14 UTC 2019


On 02.09.19 11:04, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1838886
> 
> [Impact]
> Some ums-realtek card readers may dropped from USB bus after using
> ums-realtek driver instead of usb-storage generic driver.
> 
> [Fix]
> Disable auto-delink on new ums-realtek devices, only whitelist three
> oldest IDs.
> 
> [Test]
> Affected user and myself confirmed disabling auto-delink works.
> 
> [Regression Potential]
> Minimal. Limited to one specific driver and this also restore the old
> behavior.
> 
> Kai-Heng Feng (2):
>   USB: storage: ums-realtek: Update module parameter description for
>     auto_delink_en
>   USB: storage: ums-realtek: Whitelist auto-delink support
> 
>  drivers/usb/storage/realtek_cr.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
> 

These patches have already been applied to Bionic as part of bug #1843338
(Bionic update: upstream stable patchset 2019-09-09) and to Disco as part
of bug #1843622 (Disco update: upstream stable patchset 2019-09-11).


Thanks,
Kleber



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