This is a note to let you know that I've just added the patch titled
HID: input: Fix TransducerSerialNumber implementation
to the 3.17-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:
hid-input-fix-transducerserialnumber-implementation.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5989a55a4c9aafba8b152c6bf52244510c2b88b9 Mon Sep 17 00:00:00 2001
From: Jason Gerecke <killertofu@xxxxxxxxx>
Date: Tue, 23 Sep 2014 11:09:28 -0700
Subject: HID: input: Fix TransducerSerialNumber implementation
From: Jason Gerecke <killertofu@xxxxxxxxx>
commit 5989a55a4c9aafba8b152c6bf52244510c2b88b9 upstream.
The commit which introduced TransducerSerialNumber (368c966) is missing
two crucial implementation details. Firstly, the commit does not set the
type/code/bit/max fields as expected later down the code which can cause
the driver to crash when a tablet with this usage is connected. Secondly,
the call to 'set_bit' causes MSC_PULSELED to be sent instead of the
expected MSC_SERIAL. This commit addreses both issues.
Signed-off-by: Jason Gerecke <jason.gerecke@xxxxxxxxx>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Reviewed-by: Ping Cheng <pingc@xxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hid/hid-input.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -689,7 +689,10 @@ static void hidinput_configure_usage(str
break;
case 0x5b: /* TransducerSerialNumber */
- set_bit(MSC_SERIAL, input->mscbit);
+ usage->type = EV_MSC;
+ usage->code = MSC_SERIAL;
+ bit = input->mscbit;
+ max = MSC_MAX;
break;
default: goto unknown;
Patches currently in stable-queue which might be from killertofu@xxxxxxxxx are
queue-3.17/hid-input-fix-transducerserialnumber-implementation.patch
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