On Tue, May 28, 2019 at 12:35 PM Alakesh Haloi <alakesh.haloi@xxxxxxxxx> 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@xxxxxxxxx>
Acked-by: Song Liu <songliubraving@xxxxxx>
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
>
