Hi, On Wed, Sep 12, 2018 at 07:48:30PM -0500, David Lechner wrote: > This adds ratelimiting to the message that is printed when reading a > power supply property via sysfs returns an error. This will prevent > userspace applications from unintentionally dDOSing the system by > continuosuly reading a property that returns an error. > > Signed-off-by: David Lechner <[email protected]> > ---
Thanks, queued. -- Sebastian > drivers/power/supply/power_supply_sysfs.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/power/supply/power_supply_sysfs.c > b/drivers/power/supply/power_supply_sysfs.c > index 6170ed8b6854..dce24f596160 100644 > --- a/drivers/power/supply/power_supply_sysfs.c > +++ b/drivers/power/supply/power_supply_sysfs.c > @@ -131,7 +131,8 @@ static ssize_t power_supply_show_property(struct device > *dev, > dev_dbg(dev, "driver has no data for `%s' > property\n", > attr->attr.name); > else if (ret != -ENODEV && ret != -EAGAIN) > - dev_err(dev, "driver failed to report `%s' > property: %zd\n", > + dev_err_ratelimited(dev, > + "driver failed to report `%s' property: > %zd\n", > attr->attr.name, ret); > return ret; > } > -- > 2.17.1 >
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