On Fri, 16 Dec 2016, Josh Poimboeuf wrote:
> On Fri, Dec 16, 2016 at 05:55:55PM +0100, Petr Mladek wrote:
> > On Thu 2016-12-08 12:08:36, Josh Poimboeuf wrote:
> > > The sysfs enabled value is a boolean, so kstrtobool() is a better fit
> > > for parsing the input string since it does the range checking for us.
> > >
> > > Suggested-by: Petr Mladek <pmladek@xxxxxxxx>
> > > Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> > > ---
> > > kernel/livepatch/core.c | 11 ++++-------
> > > 1 file changed, 4 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
> > > index 6a137e1..8ca8a0e 100644
> > > --- a/kernel/livepatch/core.c
> > > +++ b/kernel/livepatch/core.c
> > > @@ -408,26 +408,23 @@ static ssize_t enabled_store(struct kobject *kobj, struct kobj_attribute *attr,
> > > {
> > > struct klp_patch *patch;
> > > int ret;
> > > - unsigned long val;
> > > + bool enabled;
> > >
> > > - ret = kstrtoul(buf, 10, &val);
> > > + ret = kstrtobool(buf, &enabled);
> > > if (ret)
> > > return -EINVAL;
> >
> > I would return "ret" here. It is -EINVAL as well but... ;-)
>
> That was a preexisting issue with the kstrtoul() return code, but I'll
> sneak your suggested change into this patch if nobody objects.
Fine with me.
Acked-by: Miroslav Benes <mbenes@xxxxxxx>
Miroslav
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