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isert: make sure rdma_disconnect is called only once

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Signed-off-by: Israel Rukshin <israelr@mellanox.com>

git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6934 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Israel Rukshin
2016-08-17 07:17:37 +00:00
parent 3c66e5bf82
commit 583f452957
1 changed files with 10 additions and 3 deletions
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13
iscsi-scst/kernel/isert-scst/iser_rdma.c
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@@ -163,10 +163,16 @@ void isert_post_drain(struct isert_connection *isert_conn)
void isert_conn_disconnect(struct isert_connection *isert_conn)
{
int err = rdma_disconnect(isert_conn->cm_id);
int err;
if (unlikely(err))
pr_err("Failed to rdma disconnect, err:%d\n", err);
if (isert_conn->state != ISER_CONN_CLOSING) {
isert_conn->state = ISER_CONN_CLOSING;
err = rdma_disconnect(isert_conn->cm_id);
if (unlikely(err))
pr_err("Failed to rdma disconnect, err:%d\n", err);
}
}
static int isert_pdu_handle_hello_req(struct isert_cmnd *pdu)
@@ -1270,6 +1276,7 @@ static void isert_kref_free(struct kref *kref)
isert_free_conn_resources(isert_conn);
rdma_destroy_id(isert_conn->cm_id);
isert_conn->cm_id = NULL;
dev = isert_get_priv(&isert_conn->iscsi);
if (dev)