From: Dan Carpenter <dan.carpen...@oracle.com>
This patch looks like it should be in the 3.9-stable tree, should we apply
it?
------------------
From: "Dan Carpenter <dan.carpen...@oracle.com>"
commit cc0f868d8adef7bdc12cda132654870086d766bc upstream
->remote_rx_info and ->rx_info are struct ntb_rx_info pointers. If we
add sizeof(struct ntb_rx_info) then it goes too far.
Cc: <sta...@vger.kernel.org> # 3.9.x: ad3e2751: ntb: off by one
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Jon Mason <jon.ma...@intel.com>
Signed-off-by: Jonghwan Choi <jhbird.c...@samsung.com>
---
drivers/ntb/ntb_transport.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index e0bdfd7..676ee16 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -486,7 +486,7 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport
*nt,
(qp_num / NTB_NUM_MW * rx_size);
rx_size -= sizeof(struct ntb_rx_info);
- qp->rx_buff = qp->remote_rx_info + sizeof(struct ntb_rx_info);
+ qp->rx_buff = qp->remote_rx_info + 1;
qp->rx_max_frame = min(transport_mtu, rx_size);
qp->rx_max_entry = rx_size / qp->rx_max_frame;
qp->rx_index = 0;
@@ -780,7 +780,7 @@ static void ntb_transport_init_queue(struct ntb_transport
*nt,
(qp_num / NTB_NUM_MW * tx_size);
tx_size -= sizeof(struct ntb_rx_info);
- qp->tx_mw = qp->rx_info + sizeof(struct ntb_rx_info);
+ qp->tx_mw = qp->rx_info + 1;
qp->tx_max_frame = min(transport_mtu, tx_size);
qp->tx_max_entry = tx_size / qp->tx_max_frame;
qp->tx_index = 0;
--
1.8.1.2
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