Commit 4bbca662 authored Jul 27, 2020 by Hangbin Liu Committed by David S. Miller Jul 30, 2020

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: d3cbb907 ("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>

parent 8c0de6e9

tools/testing/selftests/bpf/test_offload.py

+3 −0

Original line number	Diff line number	Diff line
		@@ -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):

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