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

    HID: check for NULL field when setting values

to the 3.11-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-check-for-null-field-when-setting-values.patch
and it can be found in the queue-3.11 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From be67b68d52fa28b9b721c47bb42068f0c1214855 Mon Sep 17 00:00:00 2001
From: Kees Cook <[email protected]>
Date: Wed, 28 Aug 2013 22:32:01 +0200
Subject: HID: check for NULL field when setting values

From: Kees Cook <[email protected]>

commit be67b68d52fa28b9b721c47bb42068f0c1214855 upstream.

Defensively check that the field to be worked on is not NULL.

Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/hid/hid-core.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1156,7 +1156,12 @@ EXPORT_SYMBOL_GPL(hid_output_report);
 
 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
 {
-       unsigned size = field->report_size;
+       unsigned size;
+
+       if (!field)
+               return -1;
+
+       size = field->report_size;
 
        hid_dump_input(field->report->device, field->usage + offset, value);
 


Patches currently in stable-queue which might be from [email protected] are

queue-3.11/hid-sensor-hub-validate-feature-report-details.patch
queue-3.11/hid-picolcd_core-validate-output-report-details.patch
queue-3.11/hid-validate-hid-report-id-size.patch
queue-3.11/hid-pantherlord-validate-output-report-details.patch
queue-3.11/crypto-api-fix-race-condition-in-larval-lookup.patch
queue-3.11/hid-check-for-null-field-when-setting-values.patch
queue-3.11/hid-ntrig-validate-feature-report-details.patch
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