[PATCH 0/2] Backport fixes for UBI
Richard Weinberger
richard at nod.at
Wed Aug 19 03:48:28 PDT 2026
----- Ursprüngliche Mail -----
> Von: "Dominique Martinet" <dominique.martinet at atmark-techno.com>
> While looking at recent UBI patches I found these two commits that I
> believe are worth backporting.
>
> We're not using fastmap so I don't care much about the leak there, but
> reducing wear is always good to take
>
> Thanks!
>
> Signed-off-by: Dominique Martinet <dominique.martinet at atmark-techno.com>
> ---
> Cheng Ming Lin (1):
> mtd: ubi: skip programming unused bits in ubi headers
>
> Liyuan Pang (1):
> ubi: fastmap: fix ubi->fm memory leak
While porting these back is not wrong, I have a hard time to see how the
current stables rules apply here.
"mtd: ubi: skip programming unused bits in ubi headers" does not fix anything.
It's a pure optimization for future flashes, UBI worked since ever without this
change.
"ubi: fastmap: fix ubi->fm memory leak" fixes a memory leak, yes. But only in a failure
path at attach time. Userspace cannot trigger this.
Thanks,
//richard
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