diff mbox series

selftests/ftrace: Return unsupported if no error_log file

Message ID 159040205682.10129.10826221002090446642.stgit@devnote2
State New
Headers show
Series selftests/ftrace: Return unsupported if no error_log file | expand

Commit Message

Masami Hiramatsu (Google) May 25, 2020, 10:20 a.m. UTC
Check whether error_log file exists in tracing/error_log testcase
and return UNSUPPORTED if no error_log file.

This can happen if we run the ftracetest on the older stable
kernel.

Fixes: 4eab1cc461a6 ("selftests/ftrace: Add tracing/error_log testcase")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 .../ftrace/test.d/ftrace/tracing-error-log.tc      |    2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
index 021c03fd885d..23465823532b 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
@@ -14,6 +14,8 @@  if [ ! -f set_event ]; then
     exit_unsupported
 fi
 
+[ -f error_log ] || exit_unsupported
+
 ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter'
 
 exit 0