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authorPablo Neira Ayuso <pablo@netfilter.org>2016-09-26 00:23:57 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2016-09-26 00:34:19 +0300
commitf20fbc0717f9f007c94b2641134b19228d0ce9ed (patch)
tree1404248ebbec552a3fb7928b75322b65d74de1bd /drivers/infiniband/ulp/isert/ib_isert.c
parent8cb2a7d5667ab9a9c2fdd356357b85b63b320901 (diff)
parentfe0acb5fcb7fe8cb3d68bbdb8459865c972d8f83 (diff)
downloadlinux-f20fbc0717f9f007c94b2641134b19228d0ce9ed.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Conflicts: net/netfilter/core.c net/netfilter/nf_tables_netdev.c Resolve two conflicts before pull request for David's net-next tree: 1) Between c73c24849011 ("netfilter: nf_tables_netdev: remove redundant ip_hdr assignment") from the net tree and commit ddc8b6027ad0 ("netfilter: introduce nft_set_pktinfo_{ipv4, ipv6}_validate()"). 2) Between e8bffe0cf964 ("net: Add _nf_(un)register_hooks symbols") and Aaron Conole's patches to replace list_head with single linked list. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'drivers/infiniband/ulp/isert/ib_isert.c')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 7914c14478cd..cae9bbcc27e7 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -403,6 +403,7 @@ isert_init_conn(struct isert_conn *isert_conn)
INIT_LIST_HEAD(&isert_conn->node);
init_completion(&isert_conn->login_comp);
init_completion(&isert_conn->login_req_comp);
+ init_waitqueue_head(&isert_conn->rem_wait);
kref_init(&isert_conn->kref);
mutex_init(&isert_conn->mutex);
INIT_WORK(&isert_conn->release_work, isert_release_work);
@@ -578,7 +579,8 @@ isert_connect_release(struct isert_conn *isert_conn)
BUG_ON(!device);
isert_free_rx_descriptors(isert_conn);
- if (isert_conn->cm_id)
+ if (isert_conn->cm_id &&
+ !isert_conn->dev_removed)
rdma_destroy_id(isert_conn->cm_id);
if (isert_conn->qp) {
@@ -593,7 +595,10 @@ isert_connect_release(struct isert_conn *isert_conn)
isert_device_put(device);
- kfree(isert_conn);
+ if (isert_conn->dev_removed)
+ wake_up_interruptible(&isert_conn->rem_wait);
+ else
+ kfree(isert_conn);
}
static void
@@ -753,6 +758,7 @@ static int
isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
struct isert_np *isert_np = cma_id->context;
+ struct isert_conn *isert_conn;
int ret = 0;
isert_info("%s (%d): status %d id %p np %p\n",
@@ -773,10 +779,21 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
break;
case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */
case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */
- case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */
case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */
ret = isert_disconnected_handler(cma_id, event->event);
break;
+ case RDMA_CM_EVENT_DEVICE_REMOVAL:
+ isert_conn = cma_id->qp->qp_context;
+ isert_conn->dev_removed = true;
+ isert_disconnected_handler(cma_id, event->event);
+ wait_event_interruptible(isert_conn->rem_wait,
+ isert_conn->state == ISER_CONN_DOWN);
+ kfree(isert_conn);
+ /*
+ * return non-zero from the callback to destroy
+ * the rdma cm id
+ */
+ return 1;
case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */
case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */
case RDMA_CM_EVENT_CONNECT_ERROR: