diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/ringbuf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c index c5be480a6ef6..c23f6c54b373 100644 --- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c +++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c @@ -92,6 +92,7 @@ static void ringbuf_subtest(void) int page_size = getpagesize(); void *mmap_ptr, *tmp_ptr; struct ring *ring; + int map_fd; unsigned long avail_data, ring_size, cons_pos, prod_pos; skel = test_ringbuf_lskel__open(); @@ -168,6 +169,9 @@ static void ringbuf_subtest(void) if (!ASSERT_OK_PTR(ring, "ring_buffer__ring_idx_0")) goto cleanup; + map_fd = ring__map_fd(ring); + ASSERT_EQ(map_fd, skel->maps.ringbuf.map_fd, "ring_map_fd"); + /* 2 submitted + 1 discarded records */ CHECK(skel->bss->avail_data != 3 * rec_sz, "err_avail_size", "exp %ld, got %ld\n", |