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selftests/bpf: fix a compilation error

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I hit the following compilation error with gcc 4.8.5.

  prog_tests/flow_dissector.c: In function ‘test_flow_dissector’:
  prog_tests/flow_dissector.c:155:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
    for (int i = 0; i < ARRAY_SIZE(tests); i++) {
    ^
  prog_tests/flow_dissector.c:155:2: note: use option -std=c99 or -std=gnu99 to compile your code

Let us fix the issue by avoiding this particular c99 feature.

Fixes: a5cb33464e ("selftests/bpf: make flow dissector tests more extensible")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yonghong Song 2019-04-17 22:23:30 -07:00 committed by Alexei Starovoitov
parent 193d0002ef
commit ba02de1aa0
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/bpf/prog_tests/flow_dissector.c
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@ -143,7 +143,7 @@ struct test tests[] = {
void test_flow_dissector(void)
{
struct bpf_object *obj;
int err, prog_fd;
int i, err, prog_fd;
err = bpf_flow_load(&obj, "./bpf_flow.o", "flow_dissector",
"jmp_table", &prog_fd);
@ -152,7 +152,7 @@ void test_flow_dissector(void)
return;
}
for (int i = 0; i < ARRAY_SIZE(tests); i++) {
for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct bpf_flow_keys flow_keys;
struct bpf_prog_test_run_attr tattr = {
.prog_fd = prog_fd,