selftests: bpf: fix compiler warning in flow_dissector test

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Add missing header file following compiler warning:

  prog_tests/flow_dissector.c: In function ‘tx_tap’:
  prog_tests/flow_dissector.c:175:9: warning: implicit declaration of function ‘writev’; did you mean ‘write’? [-Wimplicit-function-declaration]
    return writev(fd, iov, ARRAY_SIZE(iov));
           ^~~~~~
           write

Fixes: 0905beec9f ("selftests/bpf: run flow dissector tests in skb-less mode")
Signed-off-by: Alakesh Haloi <alakesh.haloi@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Alakesh Haloi 2019-05-28 19:02:18 +00:00 • committed by Daniel Borkmann

parent 10b3c44131

commit 5fac1718e7

1 changed files with 1 additions and 0 deletions

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tools/testing/selftests/bpf/prog_tests/flow_dissector.c

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