RDMA/cma: Eliminate unnecessary remove_list

Eliminate remove_list by using list_del_init() instead during device
removal handling.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d10fdf1419b1..3982b81d33cf 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2151,12 +2151,9 @@ static int cma_remove_id_dev(struct rdma_id_private *id_priv)
 
 static void cma_process_remove(struct cma_device *cma_dev)
 {
-        struct list_head remove_list;
         struct rdma_id_private *id_priv;
         int ret;
 
-        INIT_LIST_HEAD(&remove_list);
-
         mutex_lock(&lock);
         while (!list_empty(&cma_dev->id_list)) {
                 id_priv = list_entry(cma_dev->id_list.next,
@@ -2167,8 +2164,7 @@ static void cma_process_remove(struct cma_device *cma_dev)
                         continue;
                 }
 
-                list_del(&id_priv->list);
-                list_add_tail(&id_priv->list, &remove_list);
+                list_del_init(&id_priv->list);
                 atomic_inc(&id_priv->refcount);
                 mutex_unlock(&lock);