Re: [PATCH 4.14 00/77] 4.14.122-stable review

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Hi.

2019年5月24日(金) 4:11 Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>:
>
> This is the start of the stable review cycle for the 4.14.122 release.
> There are 77 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Sat 25 May 2019 06:15:09 PM UTC.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.122-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
> -------------
> Pseudo-Shortlog of commits:
>
> Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>     Linux 4.14.122-rc1
>

<snip>

>
> Yifeng Li <tomli@xxxxxxxx>
>     fbdev: sm712fb: fix crashes and garbled display during DPMS modesetting
>

There is a problem in this commit, which is fixed in the following commit:
    9dc20113988b9a75ea6b3abd68dc45e2d73ccdab

commit 9dc20113988b9a75ea6b3abd68dc45e2d73ccdab
Author: Yifeng Li <tomli@xxxxxxxx>
Date:   Tue Apr 2 17:14:10 2019 +0200

    fbdev: sm712fb: fix memory frequency by avoiding a switch/case fallthrough

    A fallthrough in switch/case was introduced in f627caf55b8e ("fbdev:
    sm712fb: fix crashes and garbled display during DPMS modesetting"),
    due to my copy-paste error, which would cause the memory clock frequency
    for SM720 to be programmed to SM712.

    Since it only reprograms the clock to a different frequency, it's only
    a benign issue without visible side-effect, so it also evaded Sudip
    Mukherjee's code review and regression tests. scripts/checkpatch.pl
    also failed to discover the issue, possibly due to nested switch
    statements.

    This issue was found by Stephen Rothwell by building linux-next with
    -Wimplicit-fallthrough.

    Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
    Fixes: f627caf55b8e ("fbdev: sm712fb: fix crashes and garbled
display during DPMS modesetting")
    Signed-off-by: Yifeng Li <tomli@xxxxxxxx>
    Cc: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
    Cc: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>
    Cc: Kees Cook <keescook@xxxxxxxxxxxx>
    Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>

And this is also necessary for other stable-rc tree.
Please apply this commit to 4.9.y, 4.14.y, 4.19.y, 5.0.y and 5.1.y.

Best regards,
  Nobuhiro

--
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6




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