Messages in this thread Patch in this message | | | From | Jon Mason <> | Subject | [PATCH 03/10] NTB: fix pointer math issues | Date | Mon, 6 May 2013 18:55:22 -0700 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
->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.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jon Mason <jon.mason@intel.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 74c5812..00f5e80 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; -- 1.7.9.5
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