[U-Boot] [PATCH v2 4/9] Stop using builtin_run_command()

[Wolfgang Denk <wd@denx.de>]

Dear Simon Glass,

In message <CAPnjgZ1=1+xjHoAbJd4WETjC6Bj+6NPgGsXbStoGadieznF1=Q@mail.gmail.com> you wrote:
> 
> > run_command2() in "common/main.c" (now renamed into run_command() will
> > return 0 or 1 when used with the hush shell; it will never return < 0.
> 
> Thanks for looking at this. I will see what I can figure out.

I think there is some pre-existing inconsistency here, which pops up
when you try to unify the code.

I think we should implement standard shell handline here: commands
return EXIT_SUCCESS or EXIT_FAILURE.

Best regards,

Wolfgang Denk

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