IB/iser: Clarify a duplicate counters check

This is to prevent someone from thinking that this code section is
redundant.

Signed-off-by: Ariel Nahum <arieln@mellanox.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 06a49b3df3fd..3ef167f97d6f 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -783,7 +783,10 @@ static void iser_disconnected_handler(struct rdma_cm_id *cma_id)
                         iser_err("iscsi_iser connection isn't bound\n");
         }
 
-        /* Complete the termination process if no posts are pending */
+        /* Complete the termination process if no posts are pending. This code
+         * block also exists in iser_handle_comp_error(), but it is needed here
+         * for cases of no flushes at all, e.g. discovery over rdma.
+         */
         if (ib_conn->post_recv_buf_count == 0 &&
             (atomic_read(&ib_conn->post_send_buf_count) == 0)) {
                 complete(&ib_conn->flush_completion);