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path: root/drivers/infiniband/ulp/iser/iscsi_iser.c
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Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.c')
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 7298e696c6cf..81d69a30bcca 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -293,6 +293,10 @@ static void iscsi_iser_cleanup_task(struct iscsi_task *task)
struct iser_conn *iser_conn = task->conn->dd_data;
struct iser_device *device = iser_conn->ib_conn.device;
+ /* DEVICE_REMOVAL event might have already released the device */
+ if (!device)
+ return;
+
ib_dma_unmap_single(device->ib_device,
tx_desc->dma_addr, ISER_HEADERS_LEN, DMA_TO_DEVICE);
@@ -407,7 +411,6 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
struct iser_conn *iser_conn = conn->dd_data;
iser_dbg("stopping iscsi_conn: %p, iser_conn: %p\n", conn, iser_conn);
- iscsi_conn_stop(cls_conn, flag);
/*
* Userspace may have goofed up and not bound the connection or
@@ -415,6 +418,7 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
*/
if (iser_conn) {
mutex_lock(&iser_conn->state_mutex);
+ iscsi_conn_stop(cls_conn, flag);
iser_conn_terminate(iser_conn);
/* unbind */
@@ -423,6 +427,8 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
complete(&iser_conn->stop_completion);
mutex_unlock(&iser_conn->state_mutex);
+ } else {
+ iscsi_conn_stop(cls_conn, flag);
}
}
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