IB/core: For multicast functions, verify that LIDs are multicast LIDs
The Infiniband spec defines "A multicast address is defined by a MGID and a MLID" (section 10.5). Currently the MLID value is not validated. Add check to verify that the MLID value is in the correct address range. Fixes: 0c33aeed ("[IB] Add checks to multicast attach and detach") Cc: stable@vger.kernel.org Reviewed-by: NIra Weiny <ira.weiny@intel.com> Reviewed-by: NDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Signed-off-by: NMichael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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