scripts: check_init_priorities: Fix file leak

The elf file needs to be closed after done being used, otherwise sys
module will generate resource leak warnings.

Signed-off-by: Declan Snyder <[email protected]>

Author: decsny

scripts/build/check_init_priorities.py

@@ -101,9 +101,9 @@ class variables in the {"level name": ["call", ...]} format.
     Attributes:
         file_path: path of the file to be loaded.
     """
-    def __init__(self, file_path):
+    def __init__(self, file_path, elf_file):
         self.file_path = file_path
-        self._elf = ELFFile(open(file_path, "rb"))
+        self._elf = ELFFile(elf_file)
         self._load_objects()
         self._load_level_addr()
         self._process_initlevels()
@@ -237,7 +237,7 @@ class Validator():
         edt_pickle: name of the EDT pickle file
         log: a logging.Logger object
     """
-    def __init__(self, elf_file_path, edt_pickle, log):
+    def __init__(self, elf_file_path, edt_pickle, log, elf_file):
         self.log = log
 
         edt_pickle_path = pathlib.Path(
@@ -248,7 +248,7 @@ def __init__(self, elf_file_path, edt_pickle, log):
 
         self._ord2node = edt.dep_ord2node
 
-        self._obj = ZephyrInitLevels(elf_file_path)
+        self._obj = ZephyrInitLevels(elf_file_path, elf_file)
 
         self.errors = 0
 
@@ -355,17 +355,18 @@ def main(argv=None):
 
     log.info(f"check_init_priorities: {args.elf_file}")
 
-    validator = Validator(args.elf_file, args.edt_pickle, log)
-    if args.initlevels:
-        validator.print_initlevels()
-    else:
-        validator.check_edt()
+    with open(args.elf_file, "rb") as elf_file:
+        validator = Validator(args.elf_file, args.edt_pickle, log, elf_file)
+        if args.initlevels:
+            validator.print_initlevels()
+        else:
+            validator.check_edt()
 
-    if args.always_succeed:
-        return 0
+        if args.always_succeed:
+            return 0
 
-    if validator.errors:
-        return 1
+        if validator.errors:
+            return 1
 
     return 0
 

scripts/build/check_init_priorities_test.py

@@ -82,7 +82,7 @@ def test_load_objects(self, mock_zilinit):
 
         sts.iter_symbols.return_value = [s0, s1, s2]
 
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
         obj._elf = mock_elf
         obj._load_objects()
 
@@ -126,7 +126,7 @@ def test_load_level_addr(self, mock_zilinit):
 
         sts.iter_symbols.return_value = [s0, s1, s2, s3, s4, s5, s6]
 
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
         obj._elf = mock_elf
         obj._load_level_addr()
 
@@ -142,15 +142,15 @@ def test_load_level_addr(self, mock_zilinit):
 
     @mock.patch("check_init_priorities.ZephyrInitLevels.__init__", return_value=None)
     def test_device_ord_from_name(self, mock_zilinit):
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
 
         self.assertEqual(obj._device_ord_from_name(None), None)
         self.assertEqual(obj._device_ord_from_name("hey, hi!"), None)
         self.assertEqual(obj._device_ord_from_name("__device_dts_ord_123"), 123)
 
     @mock.patch("check_init_priorities.ZephyrInitLevels.__init__", return_value=None)
     def test_object_name(self, mock_zilinit):
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
         obj._objects = {0x123: ("name", 4)}
 
         self.assertEqual(obj._object_name(0), "NULL")
@@ -159,7 +159,7 @@ def test_object_name(self, mock_zilinit):
 
     @mock.patch("check_init_priorities.ZephyrInitLevels.__init__", return_value=None)
     def test_initlevel_pointer_32(self, mock_zilinit):
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
         obj._elf = mock.Mock()
         obj._elf.elfclass = 32
         mock_section = mock.Mock()
@@ -176,7 +176,7 @@ def test_initlevel_pointer_32(self, mock_zilinit):
 
     @mock.patch("check_init_priorities.ZephyrInitLevels.__init__", return_value=None)
     def test_initlevel_pointer_64(self, mock_zilinit):
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
         obj._elf = mock.Mock()
         obj._elf.elfclass = 64
         mock_section = mock.Mock()
@@ -195,7 +195,7 @@ def test_initlevel_pointer_64(self, mock_zilinit):
     @mock.patch("check_init_priorities.ZephyrInitLevels._initlevel_pointer")
     @mock.patch("check_init_priorities.ZephyrInitLevels.__init__", return_value=None)
     def test_process_initlevels(self, mock_zilinit, mock_ip, mock_on):
-        obj = check_init_priorities.ZephyrInitLevels("")
+        obj = check_init_priorities.ZephyrInitLevels("", None)
         obj._init_level_addr = {
             "EARLY": 0x00,
             "PRE_KERNEL_1": 0x00,
@@ -257,15 +257,15 @@ def test_initialize(self, mock_pl, mock_zil):
         mock_zil.return_value = mock_obj
 
         with mock.patch("builtins.open", mock.mock_open()) as mock_open:
-            validator = check_init_priorities.Validator("path", "pickle", mock_log)
+            validator = check_init_priorities.Validator("path", "pickle", mock_log, None)
 
         self.assertEqual(validator._obj, mock_obj)
-        mock_zil.assert_called_once_with("path")
+        mock_zil.assert_called_once_with("path", None)
         mock_open.assert_called_once_with(pathlib.Path("pickle"), "rb")
 
     @mock.patch("check_init_priorities.Validator.__init__", return_value=None)
     def test_check_dep_same_node(self, mock_vinit):
-        validator = check_init_priorities.Validator("", "", None)
+        validator = check_init_priorities.Validator("", "", None, None)
         validator.log = mock.Mock()
 
         validator._check_dep(123, 123)
@@ -276,7 +276,7 @@ def test_check_dep_same_node(self, mock_vinit):
 
     @mock.patch("check_init_priorities.Validator.__init__", return_value=None)
     def test_check_dep_no_prio(self, mock_vinit):
-        validator = check_init_priorities.Validator("", "", None)
+        validator = check_init_priorities.Validator("", "", None, None)
         validator.log = mock.Mock()
         validator._obj = mock.Mock()
 
@@ -296,7 +296,7 @@ def test_check_dep_no_prio(self, mock_vinit):
 
     @mock.patch("check_init_priorities.Validator.__init__", return_value=None)
     def test_check(self, mock_vinit):
-        validator = check_init_priorities.Validator("", "", None)
+        validator = check_init_priorities.Validator("", "", None, None)
         validator.log = mock.Mock()
         validator._obj = mock.Mock()
         validator.errors = 0
@@ -320,7 +320,7 @@ def test_check(self, mock_vinit):
 
     @mock.patch("check_init_priorities.Validator.__init__", return_value=None)
     def test_check_same_prio_assert(self, mock_vinit):
-        validator = check_init_priorities.Validator("", "", None)
+        validator = check_init_priorities.Validator("", "", None, None)
         validator.log = mock.Mock()
         validator._obj = mock.Mock()
         validator.errors = 0
@@ -338,7 +338,7 @@ def test_check_same_prio_assert(self, mock_vinit):
 
     @mock.patch("check_init_priorities.Validator.__init__", return_value=None)
     def test_check_ignored(self, mock_vinit):
-        validator = check_init_priorities.Validator("", "", None)
+        validator = check_init_priorities.Validator("", "", None, None)
         validator.log = mock.Mock()
         validator._obj = mock.Mock()
         validator.errors = 0
@@ -381,7 +381,7 @@ def test_check_edt(self, mock_vinit, mock_cd):
         dev2 = mock.Mock()
         dev2.depends_on = [d2]
 
-        validator = check_init_priorities.Validator("", "", None)
+        validator = check_init_priorities.Validator("", "", None, None)
         validator._ord2node = {1: dev0, 2: dev1, 3: dev2}
         validator._obj = mock.Mock()
         validator._obj.devices = {1: 10, 2: 10, 3: 20}