Add a test that checks that the unregistered directory is removed from /proc/sys/debug
Signed-off-by: Joel Granados j.granados@samsung.com --- lib/test_sysctl.c | 30 ++++++++++++++++++++++++ tools/testing/selftests/sysctl/sysctl.sh | 16 +++++++++++++ 2 files changed, 46 insertions(+)
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c index 0cf7c547d61a..555244687443 100644 --- a/lib/test_sysctl.c +++ b/lib/test_sysctl.c @@ -170,12 +170,42 @@ static int test_sysctl_setup_node_tests(void) return 0; }
+/* Used to test that unregister actually removes the directory */ +static struct ctl_table test_table_unregister[] = { + { + .procname = "unregister_error", + .data = &test_data.int_0001, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + }, + {} +}; + +static int test_sysctl_run_unregister_nested(void) +{ + struct ctl_table_header *unregister; + + unregister = register_sysctl("debug/test_sysctl/unregister_error", + test_table_unregister); + if (!unregister) + return -ENOMEM; + + unregister_sysctl_table(unregister); + return 0; +} + static int __init test_sysctl_init(void) { int err;
err = test_sysctl_setup_node_tests(); + if (err) + goto out;
+ err = test_sysctl_run_unregister_nested(); + +out: return err; } module_init(test_sysctl_init); diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh index cb8f83dfe16b..a6d79d7a36e4 100755 --- a/tools/testing/selftests/sysctl/sysctl.sh +++ b/tools/testing/selftests/sysctl/sysctl.sh @@ -31,6 +31,7 @@ ALL_TESTS="$ALL_TESTS 0005:3:1:int_0003" ALL_TESTS="$ALL_TESTS 0006:50:1:bitmap_0001" ALL_TESTS="$ALL_TESTS 0007:1:1:boot_int" ALL_TESTS="$ALL_TESTS 0008:1:1:match_int" +ALL_TESTS="$ALL_TESTS 0009:1:1:unregister_error"
function allow_user_defaults() { @@ -797,6 +798,20 @@ sysctl_test_0008() return 0 }
+sysctl_test_0009() +{ + TARGET="${SYSCTL}/$(get_test_target 0009)" + echo -n "Testing if $TARGET unregistered correctly ..." + if [ -d $TARGET ]; then + echo "TEST FAILED" + rc=1 + test_rc + fi + + echo "ok" + return 0 +} + list_tests() { echo "Test ID list:" @@ -813,6 +828,7 @@ list_tests() echo "0006 x $(get_test_count 0006) - tests proc_do_large_bitmap()" echo "0007 x $(get_test_count 0007) - tests setting sysctl from kernel boot param" echo "0008 x $(get_test_count 0008) - tests sysctl macro values match" + echo "0009 x $(get_test_count 0009) - tests sysct unregister" }
usage()