add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/security/apparmor/label.c
..
..
@@ -1,14 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * AppArmor security module
3
4
  *
4
5
  * This file contains AppArmor label definitions
5
6
  *
6
7
  * Copyright 2017 Canonical Ltd.
7
- *
8
- * This program is free software; you can redistribute it and/or
9
- * modify it under the terms of the GNU General Public License as
10
- * published by the Free Software Foundation, version 2 of the
11
- * License.
12
8
  */
13
9
 
14
10
 #include <linux/audit.h>
..
..
@@ -80,7 +76,7 @@
80
76
 
81
77
 	AA_BUG(!orig);
82
78
 	AA_BUG(!new);
83
-	lockdep_assert_held_exclusive(&labels_set(orig)->lock);
79
+	lockdep_assert_held_write(&labels_set(orig)->lock);
84
80
 
85
81
 	tmp = rcu_dereference_protected(orig->proxy->label,
86
82
 					&labels_ns(orig)->lock);
..
..
@@ -313,10 +309,8 @@
313
309
 }
314
310
 
315
311
 
316
-static void label_destroy(struct aa_label *label)
312
+void aa_label_destroy(struct aa_label *label)
317
313
 {
318
-	struct aa_label *tmp;
319
-
320
314
 	AA_BUG(!label);
321
315
 
322
316
 	if (!label_isprofile(label)) {
..
..
@@ -332,16 +326,13 @@
332
326
 		}
333
327
 	}
334
328
 
335
-	if (rcu_dereference_protected(label->proxy->label, true) == label)
336
-		rcu_assign_pointer(label->proxy->label, NULL);
337
-
329
+	if (label->proxy) {
330
+		if (rcu_dereference_protected(label->proxy->label, true) == label)
331
+			rcu_assign_pointer(label->proxy->label, NULL);
332
+		aa_put_proxy(label->proxy);
333
+	}
338
334
 	aa_free_secid(label->secid);
339
335
 
340
-	tmp = rcu_dereference_protected(label->proxy->label, true);
341
-	if (tmp == label)
342
-		rcu_assign_pointer(label->proxy->label, NULL);
343
-
344
-	aa_put_proxy(label->proxy);
345
336
 	label->proxy = (struct aa_proxy *) PROXY_POISON + 1;
346
337
 }
347
338
 
..
..
@@ -350,7 +341,7 @@
350
341
 	if (!label)
351
342
 		return;
352
343
 
353
-	label_destroy(label);
344
+	aa_label_destroy(label);
354
345
 	kfree(label);
355
346
 }
356
347
 
..
..
@@ -603,7 +594,7 @@
603
594
 
604
595
 	AA_BUG(!ls);
605
596
 	AA_BUG(!label);
606
-	lockdep_assert_held_exclusive(&ls->lock);
597
+	lockdep_assert_held_write(&ls->lock);
607
598
 
608
599
 	if (new)
609
600
 		__aa_proxy_redirect(label, new);
..
..
@@ -640,7 +631,7 @@
640
631
 	AA_BUG(!ls);
641
632
 	AA_BUG(!old);
642
633
 	AA_BUG(!new);
643
-	lockdep_assert_held_exclusive(&ls->lock);
634
+	lockdep_assert_held_write(&ls->lock);
644
635
 	AA_BUG(new->flags & FLAG_IN_TREE);
645
636
 
646
637
 	if (!label_is_stale(old))
..
..
@@ -677,7 +668,7 @@
677
668
 	AA_BUG(!ls);
678
669
 	AA_BUG(!label);
679
670
 	AA_BUG(labels_set(label) != ls);
680
-	lockdep_assert_held_exclusive(&ls->lock);
671
+	lockdep_assert_held_write(&ls->lock);
681
672
 	AA_BUG(label->flags & FLAG_IN_TREE);
682
673
 
683
674
 	/* Figure out where to put new node */
..
..
@@ -1641,9 +1632,9 @@
1641
1632
 	AA_BUG(!str && size != 0);
1642
1633
 	AA_BUG(!label);
1643
1634
 
1644
-	if (flags & FLAG_ABS_ROOT) {
1635
+	if (AA_DEBUG_LABEL && (flags & FLAG_ABS_ROOT)) {
1645
1636
 		ns = root_ns;
1646
-		len = snprintf(str, size, "=");
1637
+		len = snprintf(str, size, "_");
1647
1638
 		update_for_len(total, len, size, str);
1648
1639
 	} else if (!ns) {
1649
1640
 		ns = labels_ns(label);
..
..
@@ -1754,7 +1745,7 @@
1754
1745
 	if (!use_label_hname(ns, label, flags) ||
1755
1746
 	    display_mode(ns, label, flags)) {
1756
1747
 		len  = aa_label_asxprint(&name, ns, label, flags, gfp);
1757
-		if (len == -1) {
1748
+		if (len < 0) {
1758
1749
 			AA_DEBUG("label print error");
1759
1750
 			return;
1760
1751
 		}
..
..
@@ -1782,17 +1773,17 @@
1782
1773
 		int len;
1783
1774
 
1784
1775
 		len = aa_label_asxprint(&str, ns, label, flags, gfp);
1785
-		if (len == -1) {
1776
+		if (len < 0) {
1786
1777
 			AA_DEBUG("label print error");
1787
1778
 			return;
1788
1779
 		}
1789
-		seq_printf(f, "%s", str);
1780
+		seq_puts(f, str);
1790
1781
 		kfree(str);
1791
1782
 	} else if (display_mode(ns, label, flags))
1792
1783
 		seq_printf(f, "%s (%s)", label->hname,
1793
1784
 			   label_modename(ns, label, flags));
1794
1785
 	else
1795
-		seq_printf(f, "%s", label->hname);
1786
+		seq_puts(f, label->hname);
1796
1787
 }
1797
1788
 
1798
1789
 void aa_label_xprintk(struct aa_ns *ns, struct aa_label *label, int flags,
..
..
@@ -1805,7 +1796,7 @@
1805
1796
 		int len;
1806
1797
 
1807
1798
 		len = aa_label_asxprint(&str, ns, label, flags, gfp);
1808
-		if (len == -1) {
1799
+		if (len < 0) {
1809
1800
 			AA_DEBUG("label print error");
1810
1801
 			return;
1811
1802
 		}
..
..
@@ -1905,7 +1896,8 @@
1905
1896
 	AA_BUG(!str);
1906
1897
 
1907
1898
 	str = skipn_spaces(str, n);
1908
-	if (str == NULL || (*str == '=' && base != &root_ns->unconfined->label))
1899
+	if (str == NULL || (AA_DEBUG_LABEL && *str == '_' &&
1900
+			    base != &root_ns->unconfined->label))
1909
1901
 		return ERR_PTR(-EINVAL);
1910
1902
 
1911
1903
 	len = label_count_strn_entries(str, end - str);