9p: disallow RDMA if RDMA CM isn't available
If INET=y and INFINIBAND=y, but IPV6=m then INFINIBAND_ADDR_TRANS is set to n and the RDMA CM functions rdma_connect() et al are not built. However, the current config dependencies allow NET_9P_RDMA to be selected in this, which leads to a build failure. Fix this by adding a dependency on INFINIBAND_ADDR_TRANS to disallow NET_9P_RDMA in this case. Reported-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NRoland Dreier <rolandd@cisco.com> Acked-by: NRandy Dunlap <randy.dunlap@oracle.com> Tested-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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