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-rw-r--r--tools/testing/selftests/bpf/prog_tests/pinning.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/pinning.c b/tools/testing/selftests/bpf/prog_tests/pinning.c
index 525388971e08..041952524c55 100644
--- a/tools/testing/selftests/bpf/prog_tests/pinning.c
+++ b/tools/testing/selftests/bpf/prog_tests/pinning.c
@@ -163,12 +163,15 @@ void test_pinning(void)
goto out;
}
- /* swap pin paths of the two maps */
+ /* set pin paths so that nopinmap2 will attempt to reuse the map at
+ * pinpath (which will fail), but not before pinmap has already been
+ * reused
+ */
bpf_object__for_each_map(map, obj) {
if (!strcmp(bpf_map__name(map), "nopinmap"))
+ err = bpf_map__set_pin_path(map, nopinpath2);
+ else if (!strcmp(bpf_map__name(map), "nopinmap2"))
err = bpf_map__set_pin_path(map, pinpath);
- else if (!strcmp(bpf_map__name(map), "pinmap"))
- err = bpf_map__set_pin_path(map, NULL);
else
continue;
@@ -181,6 +184,17 @@ void test_pinning(void)
if (CHECK(err != -EINVAL, "param mismatch load", "err %d errno %d\n", err, errno))
goto out;
+ /* nopinmap2 should have been pinned and cleaned up again */
+ err = stat(nopinpath2, &statbuf);
+ if (CHECK(!err || errno != ENOENT, "stat nopinpath2",
+ "err %d errno %d\n", err, errno))
+ goto out;
+
+ /* pinmap should still be there */
+ err = stat(pinpath, &statbuf);
+ if (CHECK(err, "stat pinpath", "err %d errno %d\n", err, errno))
+ goto out;
+
bpf_object__close(obj);
/* test auto-pinning at custom path with open opt */