diff options
author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-01-23 22:26:05 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-24 11:36:04 -0700 |
commit | 36d51588f86a7c816ccbc06d6de2166f995d3e97 (patch) | |
tree | f32a96fccab0c353a4877eac33b1b564f6390ed3 | |
parent | 79f4ae0c560fab0e66c21f8b666a8b408cdb4586 (diff) |
NTB: fix pointer math issues
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.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jon Mason <jon.mason@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/ntb/ntb_transport.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 74c58125acf..00f5e80dee3 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; |