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.
> Anyway, feel free to use:
>
> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
>
> Best Regards,
> Petr
--
Josh
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