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authorLeon Romanovsky <leonro@mellanox.com>2018-10-02 11:49:24 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-10-04 01:06:07 +0300
commit38716732f161c3d107c4cc406a287f1201bed752 (patch)
tree70281aa8ef83fea0bc4151d3099312f000e2e55c
parentd31131bba5a1630304c55ea775c48cc84912ab59 (diff)
downloadlinux-38716732f161c3d107c4cc406a287f1201bed752.tar.xz
RDMA/netlink: Simplify netlink listener existence check
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>
-rw-r--r--drivers/infiniband/core/addr.c2
-rw-r--r--drivers/infiniband/core/netlink.c4
-rw-r--r--drivers/infiniband/core/sa_query.c2
-rw-r--r--include/rdma/rdma_netlink.h4
4 files changed, 6 insertions, 6 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index c2ca9e4b5160..1400a9d0d56d 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -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);
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c
index 3ccaae18ad75..724f5a62e82f 100644
--- a/drivers/infiniband/core/netlink.c
+++ b/drivers/infiniband/core/netlink.c
@@ -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);
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index a5e76d432d3f..f28f6fdb78cb 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -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;
}
diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
index c369703fcd69..70218e6b5187 100644
--- a/include/rdma/rdma_netlink.h
+++ b/include/rdma/rdma_netlink.h
@@ -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 */