summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/ulp/iser/iser_verbs.c
diff options
context:
space:
mode:
authorDoug Ledford2012-03-01 18:55:21 +0100
committerRoland Dreier2012-03-05 09:23:27 +0100
commitd474186f19d7ac1c7fbb293fdcfa46103e45e2ca (patch)
treeba5eb32ddc42e99dd3600cd7a972cb31ecdf1e61 /drivers/infiniband/ulp/iser/iser_verbs.c
parentLinux 3.3-rc5 (diff)
downloadkernel-qcow2-linux-d474186f19d7ac1c7fbb293fdcfa46103e45e2ca.tar.gz
kernel-qcow2-linux-d474186f19d7ac1c7fbb293fdcfa46103e45e2ca.tar.xz
kernel-qcow2-linux-d474186f19d7ac1c7fbb293fdcfa46103e45e2ca.zip
IB/iser: Free IB connection resources in the proper place
We allocate the login dma buffers in iser_verbs.c as part of alloc_ib_conn_resources(), however we are freeing them in iser_initiator.c as part of iser_free_rx_descriptors(). This is needlessly confusing. We have an alloc_rx_descriptors() and it doesn't alloc something that the free_rx_descriptors() frees, and we have an alloc_ib_conn_resources() that allocs something not freed by free_ib_conn_resources(). Clean that up. Signed-off-by: Doug Ledford <dledford@redhat.com> [ Fix build error in iser_free_ib_conn_res(). - Or ] Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_verbs.c')
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index e28877c4ce15..14224ba44fd8 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -274,6 +274,18 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
ib_conn->cma_id = NULL;
kfree(ib_conn->page_vec);
+ if (ib_conn->login_buf) {
+ if (ib_conn->login_req_dma)
+ ib_dma_unmap_single(ib_conn->device->ib_device,
+ ib_conn->login_req_dma,
+ ISCSI_DEF_MAX_RECV_SEG_LEN, DMA_TO_DEVICE);
+ if (ib_conn->login_resp_dma)
+ ib_dma_unmap_single(ib_conn->device->ib_device,
+ ib_conn->login_resp_dma,
+ ISER_RX_LOGIN_SIZE, DMA_FROM_DEVICE);
+ kfree(ib_conn->login_buf);
+ }
+
return 0;
}