RDMA/netlink: Simplify and rename ibnl_chk_listeners

Make ibnl_chk_listeners function to be one line by removing
unneeded comparison.

Rename that function to be complaint to other functions in RDMA netlink.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
This commit is contained in:
Leon Romanovsky 2017-06-18 15:51:16 +03:00 committed by Leon Romanovsky
parent 4d7f693af0
commit ff61c425c1
4 changed files with 11 additions and 6 deletions

View File

@ -325,7 +325,7 @@ 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 */

View File

@ -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)
{

View File

@ -1418,7 +1418,7 @@ 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;
}

View File

@ -78,4 +78,10 @@ int rdma_nl_unicast_wait(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 */