Re: [PATCH] powerpc: Use common error handling code in setup_new_fdt()

From: Joe Perches
Date: Thu Mar 15 2018 - 11:03:56 EST


On Thu, 2018-03-15 at 14:57 +0300, Dan Carpenter wrote:
> On Wed, Mar 14, 2018 at 06:22:07PM -0300, Thiago Jung Bauermann wrote:
> >
> > SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> writes:
> >
> > > From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> > > Date: Sun, 11 Mar 2018 09:03:42 +0100
> > >
> > > Add a jump target so that a bit of exception handling can be better reused
> > > at the end of this function.
> > >
> > > This issue was detected by using the Coccinelle software.
> > >
> > > Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> > > ---
> > > arch/powerpc/kernel/machine_kexec_file_64.c | 28 ++++++++++++----------------
> > > 1 file changed, 12 insertions(+), 16 deletions(-)
> >
> > I liked it. Thanks!
> >
> > Reviewed-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx>
> >
>
> You know that compilers already re-use string constants so this doesn't
> actually save memory?

And modern compilers create their own jump labels
so this doesn't change object code either?