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| author | Hangbin Liu <liuhangbin@gmail.com> | 2020-07-27 19:04:55 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-30 16:33:07 -0700 |
| commit | 4bbca662df2523ff7ad3224463f1f28e6a118044 (patch) | |
| tree | 0c8aff68b72c586ef7b71262351e545260975dde | |
| parent | 8c0de6e96c9794cb523a516c465991a70245da1c (diff) | |
| download | um-4bbca662df2523ff7ad3224463f1f28e6a118044.tar.gz | |
selftests/bpf: fix netdevsim trap_flow_action_cookie read
When read netdevsim trap_flow_action_cookie, we need to init it first,
or we will get "Invalid argument" error.
Fixes: d3cbb907ae57 ("netdevsim: add ACL trap reporting cookie as a metadata")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rwxr-xr-x | tools/testing/selftests/bpf/test_offload.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py index 8294ae3ffb3cbe..43c9cda199b82b 100755 --- a/tools/testing/selftests/bpf/test_offload.py +++ b/tools/testing/selftests/bpf/test_offload.py @@ -318,6 +318,9 @@ class DebugfsDir: continue if os.path.isfile(p): + # We need to init trap_flow_action_cookie before read it + if f == "trap_flow_action_cookie": + cmd('echo deadbeef > %s/%s' % (path, f)) _, out = cmd('cat %s/%s' % (path, f)) dfs[f] = out.strip() elif os.path.isdir(p): |