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authorDan Carpenter <dan.carpenter@oracle.com>2013-01-23 22:26:05 +0300
committerJon Mason <jon.mason@intel.com>2013-05-15 10:57:29 -0700
commitcc0f868d8adef7bdc12cda132654870086d766bc (patch)
tree71d616e0d61851f6fa8d8a22b9ecea76c0acc1f1 /drivers/ntb/ntb_transport.c
parentad3e2751e7c546ae678be1f8d86e898506b42cef (diff)
downloadlinux-linaro-stable-cc0f868d8adef7bdc12cda132654870086d766bc.tar.gz
NTB: fix pointer math issues
->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>
Diffstat (limited to 'drivers/ntb/ntb_transport.c')
-rw-r--r--drivers/ntb/ntb_transport.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index 74c58125acfc..00f5e80dee35 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;