bpf: reset id on CONST_IMM transition
Whenever we set the register to the type CONST_IMM, we currently don't reset the id to 0. id member is not used in CONST_IMM case, so don't let it become stale, where pruning won't be able to match later on. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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