This is a note to let you know that I've just added the patch titled
Input: fix defuzzing logic
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
input-fix-defuzzing-logic.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 50c5d36dab930b1f1b1e3348b8608aa8b9ee7610 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <[email protected]>
Date: Sat, 19 Jul 2014 16:30:31 -0700
Subject: Input: fix defuzzing logic
From: Dmitry Torokhov <[email protected]>
commit 50c5d36dab930b1f1b1e3348b8608aa8b9ee7610 upstream.
We attempt to remove noise from coordinates reported by devices in
input_handle_abs_event(), unfortunately, unless we were dropping the
event altogether, we were ignoring the adjusted value and were passing
on the original value instead.
Reviewed-by: Andrew de los Reyes <[email protected]>
Reviewed-by: Benson Leung <[email protected]>
Reviewed-by: David Herrmann <[email protected]>
Reviewed-by: Henrik Rydberg <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/input/input.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -257,9 +257,10 @@ static int input_handle_abs_event(struct
}
static int input_get_disposition(struct input_dev *dev,
- unsigned int type, unsigned int code, int value)
+ unsigned int type, unsigned int code, int *pval)
{
int disposition = INPUT_IGNORE_EVENT;
+ int value = *pval;
switch (type) {
@@ -357,6 +358,7 @@ static int input_get_disposition(struct
break;
}
+ *pval = value;
return disposition;
}
@@ -365,7 +367,7 @@ static void input_handle_event(struct in
{
int disposition;
- disposition = input_get_disposition(dev, type, code, value);
+ disposition = input_get_disposition(dev, type, code, &value);
if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event)
dev->event(dev, type, code, value);
Patches currently in stable-queue which might be from [email protected] are
queue-3.14/input-fix-defuzzing-logic.patch
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