RDMA/siw: Fix 64/32bit pointer inconsistency
Fixes improper casting between addresses and unsigned types.
Changes siw_pbl_get_buffer() function to return appropriate
dma_addr_t, and not u64.
Also fixes debug prints. Now any potentially kernel private
pointers are printed formatted as '%pK', to allow keeping that
information secret.
Fixes: d941bfe500be ("RDMA/siw: Change CQ flags from 64->32 bits")
Fixes: b0fff7317bb4 ("rdma/siw: completion queue methods")
Fixes: 8b6a361b8c48 ("rdma/siw: receive path")
Fixes: b9be6f18cf9e ("rdma/siw: transmit path")
Fixes: f29dd55b0236 ("rdma/siw: queue pair methods")
Fixes: 2251334dcac9 ("rdma/siw: application buffer management")
Fixes: 303ae1cdfdf7 ("rdma/siw: application interface")
Fixes: 6c52fdc244b5 ("rdma/siw: connection management")
Fixes: a531975279f3 ("rdma/siw: main include file")
Reported-by: Geert Uytterhoeven <geert at linux-m68k.org>
Reported-by: Jason Gunthorpe <jgg at ziepe.ca>
Reported-by: Leon Romanovsky <leon at kernel.org>
Signed-off-by: Bernard Metzler <bmt at zurich.ibm.com>
Link: https://lore.kernel.org/r/20190822173738.26817-1-bmt@zurich.ibm.com
Signed-off-by: Doug Ledford <dledford at redhat.com>
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