selftests/bpf: make 'dubious pointer arithmetic' test useful

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mostly revert the previous workaround and make
'dubious pointer arithmetic' test useful again.
Use (ptr - ptr) << const instead of ptr << const to generate large scalar.
The rest stays as before commit 2b36047e78.

Fixes: 2b36047e78 ("selftests/bpf: fix test_align")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Alexei Starovoitov 2018-01-23 20:05:51 -08:00 • committed by Daniel Borkmann

parent 783687810e

commit 31e95b61e1

1 changed files with 23 additions and 7 deletions

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tools/testing/selftests/bpf/test_align.c

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