| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 069/167] mt76: fix corrupted software generated tx CCMP PN | Date | Tue, 3 Sep 2019 12:23:41 -0400 |
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From: Felix Fietkau <nbd@nbd.name>
[ Upstream commit 906d2d3f874a54183df5a609fda180adf0462428 ]
Since ccmp_pn is u8 *, the second half needs to start at array index 4 instead of 0. Fixes a connection stall after a certain amount of traffic
Fixes: 23405236460b9 ("mt76: fix transmission of encrypted management frames") Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c index 6542644bc3259..cec31f0c3017b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c @@ -402,7 +402,7 @@ void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi, ccmp_pn[6] = pn >> 32; ccmp_pn[7] = pn >> 40; txwi->iv = *((__le32 *)&ccmp_pn[0]); - txwi->eiv = *((__le32 *)&ccmp_pn[1]); + txwi->eiv = *((__le32 *)&ccmp_pn[4]); } spin_lock_bh(&dev->mt76.lock); -- 2.20.1
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