Re: [PATCH] init: fix bug where environment vars can't be passedvia boot args

From: Pawel Moll
Date: Tue Apr 10 2012 - 09:15:25 EST


On Fri, 2012-04-06 at 17:53 +0100, Chris Metcalf wrote:
> Commit 026cee0086f had the side-effect of dropping the '=' from
> the unknown boot arguments that are passed to init as environment
> variables. This is because parse_args() puts a NUL in the string
> where the '=' was when it passes the "param" and "val" pointers
> to the parsing subfunctions. Previously, unknown_bootoption() was
> the last parse_args() subfunction to run, and it carefully put back
> the '=' character. Now ignore_unknown_bootoption() is the last
> one to run, and it wasn't doing the necessary repair, so the
> envp params ended up with the embedded NUL and were no longer
> seen as valid environment variables by init.
>
> Signed-off-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>

Looks sensible to me.

Acked-by: Pawel Moll <pawel.moll@xxxxxxx>

Thanks and apologies about delayed answer (and for causing the problem
in the first place :-)

PaweÅ


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