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authorBrenda J. Butler <bjb@mojatatu.com>2018-11-17 01:37:56 +0300
committerDavid S. Miller <davem@davemloft.net>2018-11-18 08:54:53 +0300
commitc6cecf4ae44e4ce9158ef8806358142c3512cd33 (patch)
tree4bf0110a914f79d9640836cbe8a13545da978ce9 /tools
parent5aaf6428526bcad98d6f51f2f679c919bb75d7e9 (diff)
downloadlinux-c6cecf4ae44e4ce9158ef8806358142c3512cd33.tar.xz
tc-testing: tdc.py: Guard against lack of returncode in executed command
Add some defensive coding in case one of the subprocesses created by tdc returns nothing. If no object is returned from exec_cmd, then tdc will halt with an unhandled exception. Signed-off-by: Brenda J. Butler <bjb@mojatatu.com> Signed-off-by: Lucas Bates <lucasb@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rwxr-xr-xtools/testing/selftests/tc-testing/tdc.py14
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/testing/selftests/tc-testing/tdc.py b/tools/testing/selftests/tc-testing/tdc.py
index 9b3f414ff1e9..7607ba3e3cbe 100755
--- a/tools/testing/selftests/tc-testing/tdc.py
+++ b/tools/testing/selftests/tc-testing/tdc.py
@@ -169,6 +169,8 @@ def prepare_env(args, pm, stage, prefix, cmdlist, output = None):
file=sys.stderr)
print("\n{} *** Error message: \"{}\"".format(prefix, foutput),
file=sys.stderr)
+ print("returncode {}; expected {}".format(proc.returncode,
+ exit_codes))
print("\n{} *** Aborting test run.".format(prefix), file=sys.stderr)
print("\n\n{} *** stdout ***".format(proc.stdout), file=sys.stderr)
print("\n\n{} *** stderr ***".format(proc.stderr), file=sys.stderr)
@@ -195,12 +197,18 @@ def run_one_test(pm, args, index, tidx):
print('-----> execute stage')
pm.call_pre_execute()
(p, procout) = exec_cmd(args, pm, 'execute', tidx["cmdUnderTest"])
- exit_code = p.returncode
+ if p:
+ exit_code = p.returncode
+ else:
+ exit_code = None
+
pm.call_post_execute()
- if (exit_code != int(tidx["expExitCode"])):
+ if (exit_code is None or exit_code != int(tidx["expExitCode"])):
result = False
- print("exit:", exit_code, int(tidx["expExitCode"]))
+ print("exit: {!r}".format(exit_code))
+ print("exit: {}".format(int(tidx["expExitCode"])))
+ #print("exit: {!r} {}".format(exit_code, int(tidx["expExitCode"])))
print(procout)
else:
if args.verbose > 0: