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Message-ID: <CAPhsuW5uVgqVEfpJsCNmQKYgmAksJ+jVTkU7QG2Fz8ofg6Puxg@mail.gmail.com> Date: Tue, 28 May 2019 13:57:44 -0700 From: Song Liu <liu.song.a23@...il.com> To: Alakesh Haloi <alakesh.haloi@...il.com> Cc: linux-kselftest@...r.kernel.org, Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, Shuah Khan <shuah@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, Stanislav Fomichev <sdf@...gle.com> Subject: Re: [PATCH bpf v2] selftests: bpf: fix compiler warning On Tue, May 28, 2019 at 12:35 PM Alakesh Haloi <alakesh.haloi@...il.com> wrote: > > 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: 0905beec9f52 ("selftests/bpf: run flow dissector tests in skb-less mode") > Signed-off-by: Alakesh Haloi <alakesh.haloi@...il.com> Acked-by: Song Liu <songliubraving@...com> Thanks for the fix! > --- > tools/testing/selftests/bpf/prog_tests/flow_dissector.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c > index fbd1d88a6095..c938283ac232 100644 > --- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c > +++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c > @@ -3,6 +3,7 @@ > #include <error.h> > #include <linux/if.h> > #include <linux/if_tun.h> > +#include <sys/uio.h> > > #define CHECK_FLOW_KEYS(desc, got, expected) \ > CHECK_ATTR(memcmp(&got, &expected, sizeof(got)) != 0, \ > -- > 2.17.1 >
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