IB/uverbs: reject invalid or unknown opcodes
commit b632ffa7 upstream. We have many WR opcodes that are only supported in kernel space and/or require optional information to be copied into the WR structure. Reject all those not explicitly handled so that we can't pass invalid information to drivers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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