On Thu, 11 Oct 2007 18:09:47 +0200 Vegard Nossum wrote:
> On 10/11/07, Randy Dunlap <[email protected]> wrote:
> > On Thu, 11 Oct 2007 17:55:16 +0200 Vegard Nossum wrote:
> >
> > > On 10/11/07, Randy Dunlap <[email protected]> wrote:
> > > > On Thu, 11 Oct 2007 08:17:02 +0200 Vegard Nossum wrote:
> > > >
> > > > > This makes sure printk format strings are string literals containing no
> > > > > more than a single line.
> > > >
> > > > Each patch needs justification (unless it is blatantly obvious).
> > > >
> > > >
> > > > > Signed-off-by: Vegard Nossum <[email protected]>
> > > > > ---
> > > > > init/calibrate.c | 4 +++-
> > > > > init/do_mounts_initrd.c | 5 ++++-
> > > > > init/main.c | 2 +-
> > > > > 3 files changed, 8 insertions(+), 3 deletions(-)
> > > > >
> > > > > diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
> > > > > index fd4fc12..ad6174c 100644
> > > > > --- a/init/do_mounts_initrd.c
> > > > > +++ b/init/do_mounts_initrd.c
> > > > > @@ -98,7 +98,10 @@ static void __init handle_initrd(void)
> > > > > error = sys_ioctl(fd, BLKFLSBUF, 0);
> > > > > sys_close(fd);
> > > > > }
> > > > > - printk(!error ? "okay\n" : "failed\n");
> > > > > + if(error)
> > > > > + printk("failed\n");
> > > > > + else
> > > > > + printk("okay\n");
> > > > > }
> > > > > }
> > > >
> > > > Why this one?
> > > > and if it must change, use:
> > > > if (error)
> > > > but I see little need for the change.
> > >
> > > Oops about the space. And it's to make the format string a constant
> > > literal. If it isn't, you are going to run into trouble with options
> > > to remove printks at compile-time based on log-level token. I realize
> > > it's not really an issue at this point in time, but I assume that it
> > > will eventually make its way into the kernel in some way or another.
> >
> > so would this be OK?
> >
> > printk("%s\n", error ? "failed" : "okay");
>
> It helps the filtering, but it doesn't help localisation very much, I
> think. Since for that, you'd only translate the format string, which
> in this case isn't much to translate. (I do realize that this is a
> very, very tiny part of the kernel and probably hundreds of other
> call-sites have much worse problems -- but every little helps, and now
> that you're at it... :-))
Oh well.
I find the proposed changes too restrictive, practically changing
a stream-oriented output into a variable-length block-oriented output.
---
~Randy
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