rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/security/selinux/netif.c
..
..
@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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2
 /*
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  * Network interface table.
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  *
..
..
@@ -9,10 +10,6 @@
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  * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
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  * Copyright (C) 2007 Hewlett-Packard Development Company, L.P.
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  *		      Paul Moore <paul@paul-moore.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2,
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- * as published by the Free Software Foundation.
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13
  */
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 #include <linux/init.h>
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15
 #include <linux/types.h>
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..
@@ -127,7 +124,7 @@
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  * @sid: interface SID
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  *
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  * Description:
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- * This function determines the SID of a network interface by quering the
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+ * This function determines the SID of a network interface by querying the
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128
  * security policy.  The result is added to the network interface table to
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129
  * speedup future queries.  Returns zero on success, negative values on
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  * failure.
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@@ -135,9 +132,9 @@
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132
  */
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 static int sel_netif_sid_slow(struct net *ns, int ifindex, u32 *sid)
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 {
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-	int ret;
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+	int ret = 0;
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 	struct sel_netif *netif;
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-	struct sel_netif *new = NULL;
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+	struct sel_netif *new;
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138
 	struct net_device *dev;
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139
 
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 	/* NOTE: we always use init's network namespace since we don't
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@@ -154,32 +151,27 @@
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 	netif = sel_netif_find(ns, ifindex);
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 	if (netif != NULL) {
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 		*sid = netif->nsec.sid;
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-		ret = 0;
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 		goto out;
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155
 	}
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+
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+	ret = security_netif_sid(&selinux_state, dev->name, sid);
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+	if (ret != 0)
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+		goto out;
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160
 	new = kzalloc(sizeof(*new), GFP_ATOMIC);
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-	if (new == NULL) {
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-		ret = -ENOMEM;
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-		goto out;
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+	if (new) {
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+		new->nsec.ns = ns;
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+		new->nsec.ifindex = ifindex;
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+		new->nsec.sid = *sid;
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+		if (sel_netif_insert(new))
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+			kfree(new);
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167
 	}
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-	ret = security_netif_sid(&selinux_state, dev->name, &new->nsec.sid);
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-	if (ret != 0)
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-		goto out;
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-	new->nsec.ns = ns;
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-	new->nsec.ifindex = ifindex;
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-	ret = sel_netif_insert(new);
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-	if (ret != 0)
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-		goto out;
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-	*sid = new->nsec.sid;
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168
 
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 out:
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170
 	spin_unlock_bh(&sel_netif_lock);
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171
 	dev_put(dev);
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-	if (unlikely(ret)) {
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+	if (unlikely(ret))
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 		pr_warn("SELinux: failure in %s(), unable to determine network interface label (%d)\n",
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 			__func__, ifindex);
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-		kfree(new);
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-	}
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 	return ret;
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 }
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177
 
..
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@@ -274,7 +266,7 @@
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 {
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 	int i;
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268
 
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-	if (!selinux_enabled)
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+	if (!selinux_enabled_boot)
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 		return 0;
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271
 
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 	for (i = 0; i < SEL_NETIF_HASH_SIZE; i++)