Failed: linux-test-project/ltp#1144 (metan - 3eaa550)

Build Update for linux-test-project/ltp
-------------------------------------

Build: #1144
Status: Failed

Duration: 5 mins and 23 secs
Commit: 3eaa550 (metan)
Author: Cristian Marussi
Message: cpuset_hotplug: fix cpuset_list_compute

cpuset_hotplug failed with:

Usage : cpuset_list_compute [-a|s] list1 [list2]

-a|s list1 add/subtract list2.[default: -a]

-h Help.
cpuset_hotplug 1 TFAIL: root group's cpus isn't expected(Result: 0,2-5, Expect: ).

It turned out that the helper cpuset_list_compute was always failing because it was improperly handling getopt retval using a char variable; in such a case the while() loop used around getopt never gets false, and as a consequence getopt() keeps on being invoked parsing also the following unknown non-option input material: this in turn leads to the loop termination through the default switch-label that finally terminates the program without doing anything each time.

This condition can also be spotted during the compilation process:

cpuset_list_compute.c: In function 'checkopt':
cpuset_list_compute.c:35:41: warning: comparison is always true due to limited range of data type [-Wtype-limits]

  while ((c = getopt(argc, argv, "ahs")) != -1) {
                                         ^~

View the changeset: https://github.com/linux-test-project/ltp/compare/metan

View the full build log and details: https://travis-ci.org/linux-test-project/ltp/builds/455547759?utm_medium=notification&utm_source=email

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