bpf: Generalize ptr_or_null regs check

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This check will be reused by an upcoming commit for conditional jump
checks for sockets. Refactor it a bit to simplify the later commit.

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Joe Stringer 2018-10-02 13:35:32 -07:00 • committed by Daniel Borkmann

parent 9d2be44a7f

commit 840b9615d6

1 changed files with 25 additions and 18 deletions

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kernel/bpf/verifier.c

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