This is a note to let you know that I've just added the patch titled

HID: reject input outside logical range only if null state is set

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: hid-reject-input-outside-logical-range-only-if-null-state-is-set.patch and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Sun Mar 18 16:55:33 CET 2018

From: "Valtteri Heikkilä" rnd@nic.fi Date: Tue, 14 Feb 2017 23:14:32 +0000 Subject: HID: reject input outside logical range only if null state is set

From: "Valtteri Heikkilä" rnd@nic.fi

[ Upstream commit 3f3752705dbd50b66b66ad7b4d54fe33d2f746ed ]

This patch fixes an issue in drivers/hid/hid-input.c where USB HID control null state flag is not checked upon rejecting inputs outside logical minimum-maximum range. The check should be made according to USB HID specification 1.11, section 6.2.2.5, p.31. The fix will resolve issues with some game controllers, such as: https://bugzilla.kernel.org/show_bug.cgi?id=68621

[tk@the-tk.com: shortened and fixed spelling in commit message] Signed-off-by: Valtteri Heikkilä rnd@nic.fi Signed-off-by: Tomasz Kramkowski tk@the-tk.com Acked-By: Benjamin Tissoires benjamin.tissoires@redhat.com Signed-off-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/hid/hid-input.c | 1 + 1 file changed, 1 insertion(+)

--- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1156,6 +1156,7 @@ void hidinput_hid_event(struct hid_devic * don't specify logical min and max. */ if ((field->flags & HID_MAIN_ITEM_VARIABLE) && + (field->flags & HID_MAIN_ITEM_NULL_STATE) && (field->logical_minimum < field->logical_maximum) && (value < field->logical_minimum || value > field->logical_maximum)) {

Patches currently in stable-queue which might be from rnd@nic.fi are

queue-4.9/hid-reject-input-outside-logical-range-only-if-null-state-is-set.patch