Re: [PATCH v3] [SIGNED-OFF] ext4: don't work without procfs

From: Lukas Czerner
Date: Fri Oct 07 2011 - 04:31:08 EST


On Thu, 6 Oct 2011, Joe Perches wrote:

> On Thu, 2011-10-06 at 17:51 +0200, Fabrice Jouhaud wrote:
> > From: Yargil <yargil@xxxxxxx>
>
> It would be better to use your full name on the "From: " line
>
> > Regression from commit dd68314ccf3fb918c1fb6471817edbc60ece4b52
> > The problem come from the test of the return value of proc_mkdir
> > that is always false without procfs and abort the init of ext4.
> >
> > Signed-off-by: Fabrice Jouhaud <yargil@xxxxxxx>
> > ---
> > fs/ext4/super.c | 2 ++
> > 1 files changed, 2 insertions(+), 0 deletions(-)
> >
> > diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> > index 44d0c8d..9b51b17 100644
> > --- a/fs/ext4/super.c
> > +++ b/fs/ext4/super.c
> > @@ -4985,8 +4985,10 @@ static int __init ext4_init_fs(void)
> > if (!ext4_kset)
> > goto out6;
> > ext4_proc_root = proc_mkdir("fs/ext4", NULL);
> > +#ifdef CONFIG_PROC_FS
> > if (!ext4_proc_root)
> > goto out5;
> > +#endif
>
> It would make more sense as:
>
> +#ifdef CONFIG_PROC_FS
> ext4_proc_root = proc_mkdir("fs/ext4", NULL);
> if (!ext4_proc_root)
> goto out5;
> +#endif

Actually it does not really matter, important is not to check the
condition in case that proc is not configured in.

>
>
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