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RDMA/netlink: Simplify netlink listener existence check

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All users of rdma_nl_chk_listeners() are interested to get boolean answer
if netlink socket has listeners, so update all places to boolean function.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2018-10-02 11:49:24 +03:00 committed by Jason Gunthorpe
parent d31131bba5
commit 38716732f1
4 changed files with 6 additions and 6 deletions
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2
drivers/infiniband/core/addr.c
View File

@ -315,7 +315,7 @@ static void queue_req(struct addr_req *req)
static int ib_nl_fetch_ha(struct rdma_dev_addr *dev_addr,
const void *daddr, u32 seq, u16 family)
{
if (rdma_nl_chk_listeners(RDMA_NL_GROUP_LS))
if (!rdma_nl_chk_listeners(RDMA_NL_GROUP_LS))
return -EADDRNOTAVAIL;
return ib_nl_ip_send_msg(dev_addr, daddr, seq, family);

4
drivers/infiniband/core/netlink.c
View File

@ -47,9 +47,9 @@ static struct {
const struct rdma_nl_cbs *cb_table;
} rdma_nl_types[RDMA_NL_NUM_CLIENTS];
int rdma_nl_chk_listeners(unsigned int group)
bool rdma_nl_chk_listeners(unsigned int group)
{
return (netlink_has_listeners(nls, group)) ? 0 : -1;
return netlink_has_listeners(nls, group);
}
EXPORT_SYMBOL(rdma_nl_chk_listeners);

2
drivers/infiniband/core/sa_query.c
View File

@ -1384,7 +1384,7 @@ 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 (!rdma_nl_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;
}

4
include/rdma/rdma_netlink.h
View File

@ -96,7 +96,7 @@ 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.
* Returns true on success or false if no listeners.
*/
int rdma_nl_chk_listeners(unsigned int group);
bool rdma_nl_chk_listeners(unsigned int group);
#endif /* _RDMA_NETLINK_H */