kernel/linux.git/include/linux/hid.h, branch v3.4.105

HID: hidraw: add proper error handling to raw event reporting

2014-04-14T13:44:18+00:00

commit b6787242f32700377d3da3b8d788ab3928bab849 upstream. If kmemdup() in hidraw_report_event() fails, we are not propagating this fact properly. Let hidraw_report_event() and hid_report_raw_event() return an error value to the caller. Reported-by: Oliver Neukum Signed-off-by: Jiri Kosina Signed-off-by: Ben Hutchings Cc: Yijing Wang Signed-off-by: Greg Kroah-Hartman

HID: provide a helper for validating hid reports

2013-10-01T16:10:51+00:00

commit 331415ff16a12147d57d5c953f3a961b7ede348b upstream. Many drivers need to validate the characteristics of their HID report during initialization to avoid misusing the reports. This adds a common helper to perform validation of the report exisitng, the field existing, and the expected number of values within the field. Signed-off-by: Kees Cook Reviewed-by: Benjamin Tissoires Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman

HID: validate HID report id size

2013-09-27T00:15:34+00:00

commit 43622021d2e2b82ea03d883926605bdd0525e1d1 upstream. The "Report ID" field of a HID report is used to build indexes of reports. The kernel's index of these is limited to 256 entries, so any malicious device that sets a Report ID greater than 255 will trigger memory corruption on the host: [ 1347.156239] BUG: unable to handle kernel paging request at ffff88094958a878 [ 1347.156261] IP: [] hid_register_report+0x2a/0x8b CVE-2013-2888 Signed-off-by: Kees Cook Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman

Merge branch 'hid-battery' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen into for-linus

2012-01-09T10:24:59+00:00

hid-input/battery: remove battery_val

2012-01-08T07:31:18+00:00

hidinput_get_battery_property() now directly polls the device for the current battery strength, so there's no need for battery_val, or the code to set it on the input event path. Signed-off-by: Jeremy Fitzhardinge

hid-input/battery: deal with both FEATURE and INPUT report batteries

2012-01-08T07:30:37+00:00

Some devices seem to report batteries as FEATUREs, others as INPUTs. Signed-off-by: Jeremy Fitzhardinge

hid-input/battery: add quirks for battery

2012-01-08T07:30:37+00:00

Some devices always report percentage, despite having 0/255 as their min/max, so add a quirk for them. Signed-off-by: Jeremy Fitzhardinge

hid-input: add support for HID devices reporting Battery Strength

2012-01-08T07:30:34+00:00

I've sent an email earlier asking for help with a GetFeature code, and now I have a second patch on top of Jeremy's to provide the battery functionality for devices that support reporting it. If I understood correctly when talking to Jeremy he said his device never actually reported the status as an input event (sorry if I didn't understand it correctly), and after reading HID specs I believe it's really because it was meant to be probed, I have an Apple Keyboard and Magic Trackpad both bluetooth batteries operated, so using PacketLogger I saw that Mac OSX always ask the battery status using the so called GetFeature. What my patch does is basically: - store the report id that matches the battery_strength - setup the battery if 0x6.0x20 is found, even if that is reported as a feature (as it was meant to be but only the MagicTrackpad does) - when upower or someone access /sys/class/power_supply/hid-*/capacity it will probe the device and return it's status. It works great for both devices, but I have two concerns: - the report_features function has a duplicated code - it would be nice if it was possible for specific drivers to provide their own probe as there might be some strange devices... (but maybe it's already possible) I've talked to the upower dev and he fixed it to be able to show the right percentage. Here how the uevent file (in /sys/class/power_supply/hid-*/) looks like: POWER_SUPPLY_NAME=hid-00:22:41:D9:18:E7-battery POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_CAPACITY=66 POWER_SUPPLY_MODEL_NAME=MacAdmin’s keyboard POWER_SUPPLY_STATUS=Discharging POWER_SUPPLY_NAME=hid-70:CD:60:F5:FF:3F-battery POWER_SUPPLY_PRESENT=1 POWER_SUPPLY_ONLINE=1 POWER_SUPPLY_CAPACITY=62 POWER_SUPPLY_MODEL_NAME=nexx’s Trackpad POWER_SUPPLY_STATUS=Discharging Signed-off-by: Daniel Nicoletti

Merge branches 'hyperv', 'multitouch', 'roccat', 'upstream', 'upstream-fixes', 'wacom' and 'wiimote' into for-linus

2012-01-05T14:51:02+00:00

HID: usbhid: defer LED setting to a workqueue

2011-12-21T10:18:35+00:00

Defer LED setting action to a workqueue. This is more likely to send all LED change events in a single URB. Signed-off-by: Daniel Kurtz Acked-by: Oliver Neukum Signed-off-by: Jiri Kosina