[ATM]: When proc_create() fails, do some error handling work and return -ENOMEM.

Signed-off-by: Wang Chen <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/atm/clip.c

···
 };
 #endif
 
+static void atm_clip_exit_noproc(void);
+
 static int __init atm_clip_init(void)
 {
 	neigh_table_init_no_netlink(&clip_tbl);
···
 		struct proc_dir_entry *p;
 
 		p = proc_create("arp", S_IRUGO, atm_proc_root, &arp_seq_fops);
+		if (!p) {
+			printk(KERN_ERR "Unable to initialize "
+			       "/proc/net/atm/arp\n");
+			atm_clip_exit_noproc();
+			return -ENOMEM;
+		}
 	}
 #endif
 
 	return 0;
 }
 
-static void __exit atm_clip_exit(void)
+static void atm_clip_exit_noproc(void)
 {
 	struct net_device *dev, *next;
-
-	remove_proc_entry("arp", atm_proc_root);
 
 	unregister_inetaddr_notifier(&clip_inet_notifier);
 	unregister_netdevice_notifier(&clip_dev_notifier);
···
 	neigh_table_clear(&clip_tbl);
 
 	clip_tbl_hook = NULL;
+}
+
+static void __exit atm_clip_exit(void)
+{
+	remove_proc_entry("arp", atm_proc_root);
+
+	atm_clip_exit_noproc();
 }
 
 module_init(atm_clip_init);

net/atm/lec.c

···
 	struct proc_dir_entry *p;
 
 	p = proc_create("lec", S_IRUGO, atm_proc_root, &lec_seq_fops);
+	if (!p) {
+		printk(KERN_ERR "Unable to initialize /proc/net/atm/lec\n");
+		return -ENOMEM;
+	}
 #endif
 
 	register_atm_ioctl(&lane_ioctl_ops);