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(parent: 5e2050f) | patch
ath10k: protect src_ring state with ce_lock in tx_sg()
authorMichal Kazior <michal.kazior@tieto.com>
Mon, 26 May 2014 10:02:58 +0000 (12:02 +0200)
committerKalle Valo <kvalo@qca.qualcomm.com>
Tue, 27 May 2014 09:32:02 +0000 (12:32 +0300)
commitec6080e93d2cc5593a8584da650d4f3a4bea93c2
tree4eedc3cdbe991c96025e9050c89d3cbc25d36b01tree | snapshot
parent5e2050fa92d19fa4ee004ae2f886e6b70500231dcommit | diff
ath10k: protect src_ring state with ce_lock in tx_sg()

It was possible to read invalid state of CE ring
buffer indexes. This could lead to scatter-gather
transfer failure in mid-way and crash firmware
later by leaving garbage data on the ring.

Reported-By: Avery Pennarun <apenwarr@gmail.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath10k/pci.c diff | blob | history
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