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Date: Fri, 22 Mar 2019 12:14:51 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Felix Fietkau <nbd@....name> Subject: [PATCH 5.0 072/238] mt76: fix corrupted software generated tx CCMP PN 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felix Fietkau <nbd@....name> commit 906d2d3f874a54183df5a609fda180adf0462428 upstream. 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@...r.kernel.org Signed-off-by: Felix Fietkau <nbd@....name> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/net/wireless/mediatek/mt76/mt76x02_mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -309,7 +309,7 @@ void mt76x02_mac_write_txwi(struct mt76x 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);
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