IB/core: Remove unnecessary check in ibnl_rcv_msg
RDMA_NL_GET_OP is defined like this: (type & ((1 << 10) - 1)) which means op (defined as an int) can never be a negative number. Fixes: b2cbae2c ('RDMA: Add netlink infrastructure') Signed-off-by: NMark Bloch <markb@mellanox.com> Reviewed-by: NLeon Romanovsky <leonro@mellanox.com> Signed-off-by: NLeon Romanovsky <leon@kernel.org> Signed-off-by: NDoug Ledford <dledford@redhat.com>
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