Refactor RDMA netlink infrastructure

The following patch set is a preparation to addition of netlink handlers to support RDMA tool. It simplifies the code, removes useless client infrastructure, concentrates netlink validity checks and allows future patches to remove a lot of dead code from iwcm* code base (all operations related to nl_clients).

It is based on already sent to the mailing list patch [1] "Revert "IB/core: Add flow control to the portmapper netlink calls""

[1] https://patchwork.kernel.org/patch/9752865/

Available in the "topic/rdmatool-rfc-v1" topic branch of this git repo:
git://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git

Or for browsing:
https://git.kernel.org/cgit/linux/kernel/git/leon/linux-rdma.git/log/?h=topic/rdmatool-rfc-v1

Leon Romanovsky (5):
RDMA/netlink: Remove netlink clients infrastructure RDMA/netlink: Remove redundant owner option for netlink callbacks RDMA/netlink: Avoid double pass for RDMA netlink messages RDMA/iwcm: Remove useless check of nelink client validity RDMA/iwcm: Remove extra EXPORT_SYMBOLS

 drivers/infiniband/core/cma.c       |   9 +-
 drivers/infiniband/core/device.c    |  41 ++----
 drivers/infiniband/core/iwcm.c      |  10 +-
 drivers/infiniband/core/iwpm_msg.c  |  12 --
 drivers/infiniband/core/iwpm_util.c |  11 --
 drivers/infiniband/core/netlink.c   | 248 +++++++++++++++++++-----------------
 include/rdma/rdma_netlink.h         |  18 +--
 7 files changed, 151 insertions(+), 198 deletions(-)

--
2.12.2

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