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mt76: mt7915: fix tx skb dma unmap
authorFelix Fietkau <nbd@nbd.name>
Sat, 13 Feb 2021 17:44:10 +0000 (18:44 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 14 May 2021 07:50:35 +0000 (09:50 +0200)
commit4e7914ce23306b28d377ec395e00e5fde0e6f96e
tree6101d1b398227647bb56adf5da10cb6cde718d84tree | snapshot
parent75bc5f779a7664d1fc19cb915039439c6e58bb94commit | diff
mt76: mt7915: fix tx skb dma unmap

[ Upstream commit 7dcf3c04f0aca746517a77433b33d40868ca4749 ]

The first pointer in the txp needs to be unmapped as well, otherwise it will
leak DMA mapping entries

Reported-by: Ben Greear <greearb@candelatech.com>
Fixes: 27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/wireless/mediatek/mt76/mt7915/mac.c diff | blob | history
Domain: System / Kernel;