[PATCH 12/13] IB/iser: Use helper for container_of

[Christoph Hellwig <hch@lst.de>]

From: Sagi Grimberg <sagig@mellanox.com>

Nicer this way.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/infiniband/ulp/iser/iscsi_iser.h     | 6 ++++++
 drivers/infiniband/ulp/iser/iser_initiator.c | 3 +--
 drivers/infiniband/ulp/iser/iser_verbs.c     | 6 ++----
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 5648409..cf4c4ce 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -729,4 +729,10 @@ iser_tx_next_wr(struct iser_tx_desc *tx_desc)
 	return cur_wr;
 }
 
+static inline struct iser_conn *
+to_iser_conn(struct ib_conn *ib_conn)
+{
+	return container_of(ib_conn, struct iser_conn, ib_conn);
+}
+
 #endif
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 21f28c8..21148b6 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -559,8 +559,7 @@ void iser_rcv_completion(struct iser_rx_desc *rx_desc,
 			 unsigned long rx_xfer_len,
 			 struct ib_conn *ib_conn)
 {
-	struct iser_conn *iser_conn = container_of(ib_conn, struct iser_conn,
-						   ib_conn);
+	struct iser_conn *iser_conn = to_iser_conn(ib_conn);
 	struct iscsi_hdr *hdr;
 	char *data;
 	u64 rx_dma;
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index ee4cebc..f75ef0c 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -455,8 +455,7 @@ void iser_free_fastreg_pool(struct ib_conn *ib_conn)
  */
 static int iser_create_ib_conn_res(struct ib_conn *ib_conn)
 {
-	struct iser_conn *iser_conn = container_of(ib_conn, struct iser_conn,
-						   ib_conn);
+	struct iser_conn *iser_conn = to_iser_conn(ib_conn);
 	struct iser_device	*device;
 	struct ib_device	*ib_dev;
 	struct ib_qp_init_attr	init_attr;
@@ -1160,9 +1159,8 @@ static void
 iser_handle_comp_error(struct ib_conn *ib_conn,
 		       struct ib_wc *wc)
 {
+	struct iser_conn *iser_conn = to_iser_conn(ib_conn);
 	void *wr_id = (void *)(uintptr_t)wc->wr_id;
-	struct iser_conn *iser_conn = container_of(ib_conn, struct iser_conn,
-						   ib_conn);
 
 	if (wc->status != IB_WC_WR_FLUSH_ERR)
 		if (iser_conn->iscsi_conn)
-- 
1.9.1