kernel/drivers/hid/hid-core.c, branch linux-4.16.y

HID: core: Fix size as type u32

2018-04-24T07:42:56Z

commit 6de0b13cc0b4ba10e98a9263d7a83b940720b77a upstream. When size is negative, calling memset will make segment fault. Declare the size as type u32 to keep memset safe. size in struct hid_report is unsigned, fix return type of hid_report_len to u32. Cc: stable@vger.kernel.org Signed-off-by: Aaron Ma Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman

Merge branch 'for-4.16/hid-quirks-cleanup/_base' into for-linus

2018-01-31T15:12:23Z

This series from Benjamin Tissoires finally removes one of the big PITAs in the hid-core, which is the absolute need of having added all the new device IDs into the horrid hid_have_special_driver[]

HID: core: lower log level for unknown main item tags to warnings

2017-12-07T10:05:59Z

Given all the effort distros have done with splash-screens to give users a nice clean boot experience, we really want dmesg --level=err to not print anything unless there is a real problem with either the hardware or the kernel. Buggy HID descriptors unfortunately happen all too often, so lower the log level to warning keep the console clear of error messages such as: [ 441.079664] apple 0005:05AC:0239.0003: unknown main item tag 0x0 Signed-off-by: Hans de Goede Acked-by: Benjamin Tissoires Signed-off-by: Jiri Kosina

HID: core: remove the absolute need of hid_have_special_driver[]

2017-11-21T10:14:48Z

Most HID devices behave properly when they are used with hid-generic. Since kernel v4.12, we do not poll for input reports at plug in, so hid-generic should behave properly with all HID devices. There has been a long standing list of HID devices that have a special driver. It used to be just a few, but with time, this list went too big, and we can not ask users to know which HID special driver will pick up their device. We can teach hid-generic to be nice with others. If a device is not explicitly marked with HID_QUIRK_HAVE_SPECIAL_DRIVER, we can allow hid-generic to pick up the device as long as no other loaded HID driver will match the device. When the special driver appears, hid-generic can step back and let the special driver handling the device. In case this special driver is removed, this good old pal of hid-generic will rebind to the device. This basically makes the list hid_have_special_driver[] useless. It still allows to not see a hid-generic driver bound and removed during boot, so we can keep it around. This will also help other people to have a special HID driver without the need of recompiling hid-core. Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina

HID: core: move the list of ignored devices in hid-quirks.c

2017-11-21T10:14:48Z

Better having all the devices quirks in one place. Note that this change introduces an initial lookup for the device in hid_gets_squirk(), which should not theoretically be required, but which actually allows to not have to reparse the list of ignored devices if we call hid_lookup_quirks twice. Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina

HID: quirks: move the list of special devices into a quirk

2017-11-21T10:14:48Z

It is better to centralize the information of special devices in one single file. Instead of manually parsing the list of devices that have a special driver or those that need to be ignored, introduce HID_QUIRK_HAVE_SPECIAL_DRIVER and set the correct quirks while fetching those quirks. Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina

HID: core: move the dynamic quirks handling in core

2017-11-21T10:14:48Z

usbhid has a list of dynamic quirks in addition to a list of static quirks. There is not much USB specific in that, so move this part of the module in core so we can have one central place for quirks. Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina

Merge branch 'for-4.15/upstream' into for-linus

2017-11-15T10:10:38Z

- cp2112: GPIO error handling and Kconfig fixes from Sébastien Szymanski - i2c-hid: fixup / quirk for Apollo-Lake based laptops, from Hans de Goede - Input/Core: add eraser tool support, from Ping Cheng - small assorted code fixes Signed-off-by: Jiri Kosina

Merge branch 'for-4.15/asus' into for-linus

2017-11-15T10:06:22Z

- Asus laptop fixes (fn keys, backlight), from Mustafa Kuscu and Maxime Bellengé

Merge branch 'for-4.15/alps' into for-linus

2017-11-15T10:04:13Z

- New ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook Stduio and HP Elite book x360) support from Masaki Ota