On Sun, Jun 18, 2017 at 10:33:35PM -0700, Joe Perches wrote:
> On Mon, 2017-06-19 at 09:15 +0800, Greg Kroah-Hartman wrote:
> > On Sun, Jun 18, 2017 at 09:58:27AM +0100, Okash Khawaja wrote:
> > > This patch adds functionality to validate and convert either a device
> > > name or 'ser' member of synth into dev_t.
> []
> > > --- a/drivers/staging/speakup/spk_ttyio.c
> []
> > > +int ser_to_dev(int ser, dev_t *dev_no)
> > > +{
> > > + if (ser < 0 || ser > (255 - 64)) {
> > > +                pr_err("speakup: Invalid ser param. \
> > > +                         Must be between 0 and 191 inclusive.\n");
> > 
> > As Andy pointed out, never do this for a C string, it's not doing what
> > you think it is :)
> 
> Well, some guy.
> 
> > Worse case, do this like the following:
> >             pr_err("speakup: Invalid ser param."
> >                     "Must be between 0 and 191 inclusive.\n");
> 
> Nope, now there's no space between param and Must.
> 
> Using string concatenation on multiple lines is error prone.

Ah, yes it is, see, I messed it up!  :)
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