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