[3.19.y-ckt stable] Patch "iwlwifi: dvm: fix D3 firmware PN programming" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    iwlwifi: dvm: fix D3 firmware PN programming

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt10.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 3d49eaa963ffe815b61d8e23eb47b487d9b58d21 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg at intel.com>
Date: Tue, 15 Sep 2015 14:36:09 +0200
Subject: [PATCH 065/120] iwlwifi: dvm: fix D3 firmware PN programming

commit 5bd166872d8f99f156fac191299d24f828bb2348 upstream.

The code to send the RX PN data (for each TID) to the firmware
has a devastating bug: it overwrites the data for TID 0 with
all the TID data, leaving the remaining TIDs zeroed. This will
allow replays to actually be accepted by the firmware, which
could allow waking up the system.

Signed-off-by: Johannes Berg <johannes.berg at intel.com>
Signed-off-by: Luca Coelho <luciano.coelho at intel.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/net/wireless/iwlwifi/dvm/lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c
index 1d2223d..e7d3566 100644
--- a/drivers/net/wireless/iwlwifi/dvm/lib.c
+++ b/drivers/net/wireless/iwlwifi/dvm/lib.c
@@ -1022,7 +1022,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw,
 			u8 *pn = seq.ccmp.pn;

 			ieee80211_get_key_rx_seq(key, i, &seq);
-			aes_sc->pn = cpu_to_le64(
+			aes_sc[i].pn = cpu_to_le64(
 					(u64)pn[5] |
 					((u64)pn[4] << 8) |
 					((u64)pn[3] << 16) |
--
1.9.1