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authorStanislav Fomichev <sdf@google.com>2019-12-02 12:01:43 -0800
committerAlexei Starovoitov <ast@kernel.org>2019-12-04 17:56:22 -0800
commit01d434ce98d38e36901c72493b96afc4075ee887 (patch)
treeccfa1fb75daed2ee62cd8252b106dc255a6f8782 /tools/testing
parentedbca120a8cdfa5a5793707e33497aa5185875ca (diff)
selftests/bpf: Don't hard-code root cgroup id
Commit 40430452fd5d ("kernfs: use 64bit inos if ino_t is 64bit") changed the way cgroup ids are exposed to the userspace. Instead of assuming fixed root id, let's query it. Fixes: 40430452fd5d ("kernfs: use 64bit inos if ino_t is 64bit") Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191202200143.250793-1-sdf@google.com
Diffstat (limited to 'tools/testing')
-rw-r--r--tools/testing/selftests/bpf/test_skb_cgroup_id_user.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c b/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
index 9220747c069d..356351c0ac28 100644
--- a/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
+++ b/tools/testing/selftests/bpf/test_skb_cgroup_id_user.c
@@ -120,7 +120,7 @@ int check_ancestor_cgroup_ids(int prog_id)
int err = 0;
int map_fd;
- expected_ids[0] = 0x100000001; /* root cgroup */
+ expected_ids[0] = get_cgroup_id("/.."); /* root cgroup */
expected_ids[1] = get_cgroup_id("");
expected_ids[2] = get_cgroup_id(CGROUP_PATH);
expected_ids[3] = 0; /* non-existent cgroup */