On 06/13, Arthur Fabre wrote: > Building the userspace part of the flow_dissector resulted in: > > prog_tests/flow_dissector.c: In function ‘tx_tap’: > prog_tests/flow_dissector.c:176:9: warning: implicit declaration > of function ‘writev’; did you mean ‘write’? [-Wimplicit-function-declaration] > return writev(fd, iov, ARRAY_SIZE(iov)); > ^~~~~~ > write > > Include <sys/uio.h> to fix this. Wasn't it fixed already?
See https://lore.kernel.org/netdev/20190528190218.ga6...@ip-172-31-44-144.us-west-2.compute.internal/ > Signed-off-by: Arthur Fabre <afa...@cloudflare.com> > --- > 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, \ > -- > 2.20.1 >
