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IB/iser: Use pd->local_dma_lkey 

Replace all leys with  pd->local_dma_lkey. This driver does not support
iWarp, so this is safe.

The insecure use of ib_get_dma_mr is thus isolated to an rkey, and this
looks trivially fixed by forcing the use of registration in a future
patch.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe 2015-07-30 17:22:20 -06:00 committed by Doug Ledford
parent b37c788f59
commit 256b7ad273
4 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/ulp/iser/iscsi_iser.c
View File

@ -209,7 +209,7 @@ iser_initialize_task_headers(struct iscsi_task *task,
tx_desc->dma_addr = dma_addr;
tx_desc->tx_sg[0].addr = tx_desc->dma_addr;
tx_desc->tx_sg[0].length = ISER_HEADERS_LEN;
tx_desc->tx_sg[0].lkey = device->mr->lkey;
tx_desc->tx_sg[0].lkey = device->pd->local_dma_lkey;
iser_task->iser_conn = iser_conn;
out:

4
drivers/infiniband/ulp/iser/iser_initiator.c
View File

@ -284,7 +284,7 @@ int iser_alloc_rx_descriptors(struct iser_conn *iser_conn,
rx_sg = &rx_desc->rx_sg;
rx_sg->addr = rx_desc->dma_addr;
rx_sg->length = ISER_RX_PAYLOAD_SIZE;
rx_sg->lkey = device->mr->lkey;
rx_sg->lkey = device->pd->local_dma_lkey;
}
iser_conn->rx_desc_head = 0;
@ -538,7 +538,7 @@ int iser_send_control(struct iscsi_conn *conn,
tx_dsg->addr = iser_conn->login_req_dma;
tx_dsg->length = task->data_count;
tx_dsg->lkey = device->mr->lkey;
tx_dsg->lkey = device->pd->local_dma_lkey;
mdesc->num_sge = 2;
}

2
drivers/infiniband/ulp/iser/iser_memory.c
View File

@ -471,7 +471,7 @@ iser_reg_dma(struct iser_device *device, struct iser_data_buf *mem,
{
struct scatterlist *sg = mem->sg;
reg->sge.lkey = device->mr->lkey;
reg->sge.lkey = device->pd->local_dma_lkey;
reg->rkey = device->mr->rkey;
reg->sge.addr = ib_sg_dma_address(device->ib_device, &sg[0]);
reg->sge.length = ib_sg_dma_len(device->ib_device, &sg[0]);

2
drivers/infiniband/ulp/iser/iser_verbs.c
View File

@ -1061,7 +1061,7 @@ int iser_post_recvl(struct iser_conn *iser_conn)
sge.addr = iser_conn->login_resp_dma;
sge.length = ISER_RX_LOGIN_SIZE;
sge.lkey = ib_conn->device->mr->lkey;
sge.lkey = ib_conn->device->pd->local_dma_lkey;
rx_wr.wr_id = (uintptr_t)iser_conn->login_resp_buf;
rx_wr.sg_list = &sge;