@@ -324,7 +324,7 @@ static void queue_req(struct addr_req *req)
static int ib_nl_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
const void *daddr, u32 seq, u16 family)
{
- if (ibnl_chk_listeners(RDMA_NL_GROUP_LS))
+ if (rdma_nl_chk_listeners(RDMA_NL_GROUP_LS))
return -EADDRNOTAVAIL;
/* We fill in what we can, the response will fill the rest */
@@ -47,12 +47,11 @@ static struct {
const struct ibnl_client_cbs *cb_table;
} rdma_nl_types[RDMA_NL_NUM_CLIENTS];
-int ibnl_chk_listeners(unsigned int group)
+int rdma_nl_chk_listeners(unsigned int group)
{
- if (netlink_has_listeners(nls, group) == 0)
- return -1;
- return 0;
+ return (netlink_has_listeners(nls, group)) ? 0 : -1;
}
+EXPORT_SYMBOL(rdma_nl_chk_listeners);
static bool is_nl_msg_valid(unsigned int type, unsigned int op)
{
@@ -1419,7 +1419,7 @@ static int send_mad(struct ib_sa_query *query, int timeout_ms, gfp_t gfp_mask)
if ((query->flags & IB_SA_ENABLE_LOCAL_SERVICE) &&
(!(query->flags & IB_SA_QUERY_OPA))) {
- if (!ibnl_chk_listeners(RDMA_NL_GROUP_LS)) {
+ if (!rdma_nl_chk_listeners(RDMA_NL_GROUP_LS)) {
if (!ib_nl_make_request(query, gfp_mask))
return id;
}
@@ -70,4 +70,10 @@ int rdma_nl_unicast(struct sk_buff *skb, u32 pid);
*/
int rdma_nl_multicast(struct sk_buff *skb, unsigned int group, gfp_t flags);
+/**
+ * Check if there are any listeners to the netlink group
+ * @group: the netlink group ID
+ * Returns 0 on success or a negative for no listeners.
+ */
+int rdma_nl_chk_listeners(unsigned int group);
#endif /* _RDMA_NETLINK_H */