Re: Failed to backport from from Linux 4.4 drivers to Linux 3.10.108

[Johannes Berg <johannes@sipsolutions.net>]

On Tue, 2018-05-08 at 12:05 +0900, Masashi Honma wrote:
> I am trying to backport from Linux 4.4

This will probably not work unless you use an old backports git tree
snapshot.

> The gentree.py command resulted in these messages.
> ----
> Get original source files from git ...
> Applying patches from patches to /home/honma/git/linux-stable/backports/ ...
> Failed to process SmPL patch 
> collateral-evolutions/network/0027-genl-const/genl-const.cocci
> Traceback (most recent call last):
>    File "./gentree.py", line 1091, in <module>
>      ret = _main()
>    File "./gentree.py", line 724, in _main
>      logwrite=logwrite)
>    File "./gentree.py", line 906, in process
>      apply_patches(args, "backport", source_dir, 'patches', 
> bpid.target_dir, logwrite)
>    File "./gentree.py", line 605, in apply_patches
>      raise Exception('SmPL patch failed')
> Exception: SmPL patch failed

Then again, this shouldn't happen.

> Is this caused by my invalid procedure ?
> If so, please tell me right way.

No, looks fine - perhaps your spatch version isn't right? What version
do you have, and what does it say if you run

mkdir /tmp/xyz && spatch --sp-file .../genl-const.cocci --dir /tmp/xyz

or something like that?

johannes
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