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iwlwifi: dvm: fix D3 firmware PN programming

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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.

Cc: <stable@vger.kernel.org> [3.1+]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg
2015-09-15 14:36:09 +02:00
committed by Luca Coelho
parent 6645d5e441
commit 5bd166872d
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/iwlwifi/dvm/lib.c
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@@ -1020,7 +1020,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw,
u8 *pn = seq.ccmp.pn; u8 *pn = seq.ccmp.pn;
ieee80211_get_key_rx_seq(key, i, &seq); 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[5] |
((u64)pn[4] << 8) | ((u64)pn[4] << 8) |
((u64)pn[3] << 16) | ((u64)pn[3] << 16) |