[PATCH bpf v2] selftests: bpf: fix compiler warning

From: Alakesh Haloi
Date: Tue May 28 2019 - 15:05:49 EST


Add missing header file following compiler warning

prog_tests/flow_dissector.c: In function âtx_tapâ:
prog_tests/flow_dissector.c:175:9: warning: implicit declaration of function âwritevâ; did you mean âwriteâ? [-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>
---
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