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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-11-01 06:06:58 +0300
committerDavid S. Miller <davem@davemloft.net>2019-11-02 01:16:01 +0300
commit8101e069418d136b995b3da81f1af72637082fda (patch)
treef04a90e5e3816f690ec868f392e0880dfb4a6796
parentd64479a3e3f9924074ca7b50bd72fa5211dca9c1 (diff)
downloadlinux-8101e069418d136b995b3da81f1af72637082fda.tar.xz
selftests: bpf: Skip write only files in debugfs
DebugFS for netdevsim now contains some "action trigger" files which are write only. Don't try to capture the contents of those. Note that we can't use os.access() because the script requires root. Fixes: 4418f862d675 ("netdevsim: implement support for devlink region and snapshots") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rwxr-xr-xtools/testing/selftests/bpf/test_offload.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py
index 15a666329a34..1afa22c88e42 100755
--- a/tools/testing/selftests/bpf/test_offload.py
+++ b/tools/testing/selftests/bpf/test_offload.py
@@ -22,6 +22,7 @@ import os
import pprint
import random
import re
+import stat
import string
import struct
import subprocess
@@ -311,7 +312,11 @@ class DebugfsDir:
for f in out.split():
if f == "ports":
continue
+
p = os.path.join(path, f)
+ if not os.stat(p).st_mode & stat.S_IRUSR:
+ continue
+
if os.path.isfile(p):
_, out = cmd('cat %s/%s' % (path, f))
dfs[f] = out.strip()