RDMA/cma: Use PTR_RET rather than if (IS_ERR(...)) + PTR_ERR

Suggested by scripts/coccinelle/api/ptr_ret.cocci.

Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 5a335b5..7172559 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3064,10 +3064,7 @@ static int cma_join_ib_multicast(struct rdma_id_private *id_priv,
                                                id_priv->id.port_num, &rec,
                                                comp_mask, GFP_KERNEL,
                                                cma_ib_mc_handler, mc);
-       if (IS_ERR(mc->multicast.ib))
-               return PTR_ERR(mc->multicast.ib);
-
-       return 0;
+       return PTR_RET(mc->multicast.ib);
 }
 
 static void iboe_mcast_work_handler(struct work_struct *work)