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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
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2
drivers/infiniband/core/addr.c
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, static int ib_nl_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
const void *daddr, u32 seq, u16 family) 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; return -EADDRNOTAVAIL;
/* We fill in what we can, the response will fill the rest */ /* We fill in what we can, the response will fill the rest */

7
drivers/infiniband/core/netlink.c
View File

@ -47,12 +47,11 @@ static struct {
const struct ibnl_client_cbs *cb_table; const struct ibnl_client_cbs *cb_table;
} rdma_nl_types[RDMA_NL_NUM_CLIENTS]; } 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 (netlink_has_listeners(nls, group)) ? 0 : -1;
return -1;
return 0;
} }
EXPORT_SYMBOL(rdma_nl_chk_listeners);
static bool is_nl_msg_valid(unsigned int type, unsigned int op) static bool is_nl_msg_valid(unsigned int type, unsigned int op)
{ {

2
drivers/infiniband/core/sa_query.c
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) && if ((query->flags & IB_SA_ENABLE_LOCAL_SERVICE) &&
(!(query->flags & IB_SA_QUERY_OPA))) { (!(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)) if (!ib_nl_make_request(query, gfp_mask))
return id; return id;
} }

6
include/rdma/rdma_netlink.h
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); 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 */ #endif /* _RDMA_NETLINK_H */