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| author |   Thomas Gleixner <tglx@linutronix.de> | 2013-07-12 12:34:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-07-12 12:34:42 +0200 |
| commit | f2006e27396f55276f24434f56e208d86e7f9908 (patch) | |
| tree | 71896db916d33888b4286f80117d3cac0da40e6d /drivers/hid/hid-input.c | |
| parent | Merge branch 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into timers/urgent (diff) | |
| parent | Merge tag 'dm-3.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm (diff) | |
| download | wireguard-linux-f2006e27396f55276f24434f56e208d86e7f9908.tar.xz wireguard-linux-f2006e27396f55276f24434f56e208d86e7f9908.zip | |
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/hid/hid-input.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 945b8158ec4c..7480799e535c 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -354,10 +354,10 @@ static int hidinput_get_battery_property(struct power_supply *psy, dev->battery_report_type); if (ret != 2) { - if (ret >= 0) - ret = -EINVAL; + ret = -ENODATA; break; } + ret = 0; if (dev->battery_min < dev->battery_max && buf[1] >= dev->battery_min && @@ -1042,9 +1042,14 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct /* * Ignore out-of-range values as per HID specification, - * section 5.10 and 6.2.25 + * section 5.10 and 6.2.25. + * + * The logical_minimum < logical_maximum check is done so that we + * don't unintentionally discard values sent by devices which + * don't specify logical min and max. */ if ((field->flags & HID_MAIN_ITEM_VARIABLE) && + (field->logical_minimum < field->logical_maximum) && (value < field->logical_minimum || value > field->logical_maximum)) { dbg_hid("Ignoring out-of-range value %x\n", value); |