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hc

2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/net/decnet/dn_dev.c
..
..
@@ -160,8 +160,8 @@
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 static int min_priority[1];
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 static int max_priority[] = { 127 }; /* From DECnet spec */
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-static int dn_forwarding_proc(struct ctl_table *, int,
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-			void __user *, size_t *, loff_t *);
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+static int dn_forwarding_proc(struct ctl_table *, int, void *, size_t *,
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+		loff_t *);
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 static struct dn_dev_sysctl_table {
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 	struct ctl_table_header *sysctl_header;
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 	struct ctl_table dn_dev_vars[5];
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@@ -245,8 +245,7 @@
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 }
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 static int dn_forwarding_proc(struct ctl_table *table, int write,
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-				void __user *buffer,
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-				size_t *lenp, loff_t *ppos)
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+		void *buffer, size_t *lenp, loff_t *ppos)
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 {
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 #ifdef CONFIG_DECNET_ROUTER
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 	struct net_device *dev = table->extra1;
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@@ -463,7 +462,9 @@
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 	switch (cmd) {
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 	case SIOCGIFADDR:
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 		*((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
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-		goto rarok;
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+		if (copy_to_user(arg, ifr, DN_IFREQ_SIZE))
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+			ret = -EFAULT;
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+		break;
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 	case SIOCSIFADDR:
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 		if (!ifa) {
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@@ -486,10 +487,6 @@
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 	rtnl_unlock();
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 	return ret;
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-rarok:
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-	if (copy_to_user(arg, ifr, DN_IFREQ_SIZE))
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-		ret = -EFAULT;
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-	goto done;
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 }
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 struct net_device *dn_dev_get_default(void)
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@@ -583,8 +580,8 @@
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 	if (!net_eq(net, &init_net))
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 		goto errout;
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-	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy,
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-			  extack);
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+	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFA_MAX,
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+				     dn_ifa_policy, extack);
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 	if (err < 0)
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 		goto errout;
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..
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@@ -629,8 +626,8 @@
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 	if (!net_eq(net, &init_net))
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 		return -EINVAL;
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-	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy,
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-			  extack);
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+	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFA_MAX,
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+				     dn_ifa_policy, extack);
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 	if (err < 0)
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 		return err;
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@@ -1363,7 +1360,7 @@
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 		seq_printf(seq, "%-8s %1s     %04u %04u   %04lu %04lu"
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 				"   %04hu    %03d %02x    %-10s %-7s %-7s\n",
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-				dev->name ? dev->name : "???",
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+				dev->name,
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 				dn_type2asc(dn_db->parms.mode),
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 				0, 0,
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 				dn_db->t3, dn_db->parms.t3,