[PATCH 4.4 35/72] RDMA/ucma: Dont allow join attempts for unsupported AF family

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Leon Romanovsky commit 0c81ffc60d5280991773d17e84bda605387148b1 upstream. Users can provide garbage while calling to ucma_join_ip_multicast(), it will indirectly cause to

[PATCH 4.4 35/72] RDMA/ucma: Dont allow join attempts for unsupported AF family

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Leon Romanovsky commit 0c81ffc60d5280991773d17e84bda605387148b1 upstream. Users can provide garbage while calling to ucma_join_ip_multicast(), it will indirectly cause to rdma_addr_size()