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path: root/drivers/infiniband/core/cma.c
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Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r--drivers/infiniband/core/cma.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d789eea3216..71c2c711680 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2143,33 +2143,23 @@ static int cma_alloc_port(struct idr *ps, struct rdma_id_private *id_priv,
unsigned short snum)
{
struct rdma_bind_list *bind_list;
- int port, ret;
+ int ret;
bind_list = kzalloc(sizeof *bind_list, GFP_KERNEL);
if (!bind_list)
return -ENOMEM;
- do {
- ret = idr_get_new_above(ps, bind_list, snum, &port);
- } while ((ret == -EAGAIN) && idr_pre_get(ps, GFP_KERNEL));
-
- if (ret)
- goto err1;
-
- if (port != snum) {
- ret = -EADDRNOTAVAIL;
- goto err2;
- }
+ ret = idr_alloc(ps, bind_list, snum, snum + 1, GFP_KERNEL);
+ if (ret < 0)
+ goto err;
bind_list->ps = ps;
- bind_list->port = (unsigned short) port;
+ bind_list->port = (unsigned short)ret;
cma_bind_port(bind_list, id_priv);
return 0;
-err2:
- idr_remove(ps, port);
-err1:
+err:
kfree(bind_list);
- return ret;
+ return ret == -ENOSPC ? -EADDRNOTAVAIL : ret;
}
static int cma_alloc_any_port(struct idr *ps, struct rdma_id_private *id_priv)
@@ -2214,10 +2204,9 @@ static int cma_check_port(struct rdma_bind_list *bind_list,
{
struct rdma_id_private *cur_id;
struct sockaddr *addr, *cur_addr;
- struct hlist_node *node;
addr = (struct sockaddr *) &id_priv->id.route.addr.src_addr;
- hlist_for_each_entry(cur_id, node, &bind_list->owners, node) {
+ hlist_for_each_entry(cur_id, &bind_list->owners, node) {
if (id_priv == cur_id)
continue;