openwrtv4/target/linux/brcm2708/patches-4.9/950-0061-hid-Reduce-default-mouse-polling-interval-to-60Hz.patch
Kevin Darbyshire-Bryant 886d66abcd kernel: bump 4.9 to 4.9.57
Refresh patches.
Compile-tested for ar71xx - Archer C7 v2
Runtime-tested on  ar71xx - Archer C7 v2

Fixes the following CVEs:

- CVE-2017-7518
- CVE-2017-0786
- CVE-2017-1000255
- CVE-2017-12188
- CVE-2017-15265

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
2017-10-18 19:44:09 +03:00

36 lines
1.2 KiB
Diff

From 56f13ae9d518c5aec8736ccc639f2f5e2c3784ad Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 14 Jul 2014 22:02:09 +0100
Subject: [PATCH] hid: Reduce default mouse polling interval to 60Hz
Reduces overhead when using X
---
drivers/hid/usbhid/hid-core.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -49,7 +49,7 @@
* Module parameters.
*/
-static unsigned int hid_mousepoll_interval;
+static unsigned int hid_mousepoll_interval = ~0;
module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
@@ -1093,8 +1093,12 @@ static int usbhid_start(struct hid_devic
}
/* Change the polling interval of mice. */
- if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
- interval = hid_mousepoll_interval;
+ if (hid->collection->usage == HID_GD_MOUSE) {
+ if (hid_mousepoll_interval == ~0 && interval < 16)
+ interval = 16;
+ else if (hid_mousepoll_interval != ~0 && hid_mousepoll_interval != 0)
+ interval = hid_mousepoll_interval;
+ }
ret = -ENOMEM;
if (usb_endpoint_dir_in(endpoint)) {