airo: Use remove_proc_subtree()

Use remove_proc_subtree() to remove the airo device subdir and all its
children instead of doing it manually.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-wireless@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/net/wireless/airo.c

@@ -4506,98 +4506,75 @@ static int setup_proc_entry( struct net_device *dev,
 	apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
 					    airo_entry);
 	if (!apriv->proc_entry)
-		goto fail;
+		return -ENOMEM;
 	proc_set_user(apriv->proc_entry, proc_kuid, proc_kgid);
 
 	/* Setup the StatsDelta */
 	entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
 				 apriv->proc_entry, &proc_statsdelta_ops, dev);
 	if (!entry)
-		goto fail_stats_delta;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the Stats */
 	entry = proc_create_data("Stats", S_IRUGO & proc_perm,
 				 apriv->proc_entry, &proc_stats_ops, dev);
 	if (!entry)
-		goto fail_stats;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the Status */
 	entry = proc_create_data("Status", S_IRUGO & proc_perm,
 				 apriv->proc_entry, &proc_status_ops, dev);
 	if (!entry)
-		goto fail_status;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the Config */
 	entry = proc_create_data("Config", proc_perm,
 				 apriv->proc_entry, &proc_config_ops, dev);
 	if (!entry)
-		goto fail_config;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the SSID */
 	entry = proc_create_data("SSID", proc_perm,
 				 apriv->proc_entry, &proc_SSID_ops, dev);
 	if (!entry)
-		goto fail_ssid;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the APList */
 	entry = proc_create_data("APList", proc_perm,
 				 apriv->proc_entry, &proc_APList_ops, dev);
 	if (!entry)
-		goto fail_aplist;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the BSSList */
 	entry = proc_create_data("BSSList", proc_perm,
 				 apriv->proc_entry, &proc_BSSList_ops, dev);
 	if (!entry)
-		goto fail_bsslist;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 
 	/* Setup the WepKey */
 	entry = proc_create_data("WepKey", proc_perm,
 				 apriv->proc_entry, &proc_wepkey_ops, dev);
 	if (!entry)
-		goto fail_wepkey;
+		goto fail;
 	proc_set_user(entry, proc_kuid, proc_kgid);
 	return 0;
 
-fail_wepkey:
-	remove_proc_entry("BSSList", apriv->proc_entry);
-fail_bsslist:
-	remove_proc_entry("APList", apriv->proc_entry);
-fail_aplist:
-	remove_proc_entry("SSID", apriv->proc_entry);
-fail_ssid:
-	remove_proc_entry("Config", apriv->proc_entry);
-fail_config:
-	remove_proc_entry("Status", apriv->proc_entry);
-fail_status:
-	remove_proc_entry("Stats", apriv->proc_entry);
-fail_stats:
-	remove_proc_entry("StatsDelta", apriv->proc_entry);
-fail_stats_delta:
-	remove_proc_entry(apriv->proc_name, airo_entry);
 fail:
+	remove_proc_subtree(apriv->proc_name, airo_entry);
 	return -ENOMEM;
 }
 
 static int takedown_proc_entry( struct net_device *dev,
-				struct airo_info *apriv ) {
-	if ( !apriv->proc_entry->namelen ) return 0;
-	remove_proc_entry("Stats",apriv->proc_entry);
-	remove_proc_entry("StatsDelta",apriv->proc_entry);
-	remove_proc_entry("Status",apriv->proc_entry);
-	remove_proc_entry("Config",apriv->proc_entry);
-	remove_proc_entry("SSID",apriv->proc_entry);
-	remove_proc_entry("APList",apriv->proc_entry);
-	remove_proc_entry("BSSList",apriv->proc_entry);
-	remove_proc_entry("WepKey",apriv->proc_entry);
-	remove_proc_entry(apriv->proc_name,airo_entry);
+				struct airo_info *apriv )
+{
+	remove_proc_subtree(apriv->proc_name, airo_entry);
 	return 0;
 }