---

yaml
---
r: 25487
b: refs/heads/master
c: 7220fe8
h: refs/heads/master
i:
  25485: 878fe26
  25483: 2214fec
  25479: 3e131b6
  25471: 7f3839e
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 25ee4cf831fcc2855927c175d246a25e5ebe5902
+refs/heads/master: 7220fe8b7915af4ffcd42d73c285c5898734d087

trunk/drivers/s390/block/dasd_proc.c

@@ -294,23 +294,40 @@ dasd_statistics_write(struct file *file, const char __user *user_buf,
 #endif				/* CONFIG_DASD_PROFILE */
 }
 
+/*
+ * Create dasd proc-fs entries.
+ * In case creation failed, cleanup and return -ENOENT.
+ */
 int
 dasd_proc_init(void)
 {
 	dasd_proc_root_entry = proc_mkdir("dasd", &proc_root);
+	if (!dasd_proc_root_entry)
+		goto out_nodasd;
 	dasd_proc_root_entry->owner = THIS_MODULE;
 	dasd_devices_entry = create_proc_entry("devices",
 					       S_IFREG | S_IRUGO | S_IWUSR,
 					       dasd_proc_root_entry);
+	if (!dasd_devices_entry)
+		goto out_nodevices;
 	dasd_devices_entry->proc_fops = &dasd_devices_file_ops;
 	dasd_devices_entry->owner = THIS_MODULE;
 	dasd_statistics_entry = create_proc_entry("statistics",
 						  S_IFREG | S_IRUGO | S_IWUSR,
 						  dasd_proc_root_entry);
+	if (!dasd_statistics_entry)
+		goto out_nostatistics;
 	dasd_statistics_entry->read_proc = dasd_statistics_read;
 	dasd_statistics_entry->write_proc = dasd_statistics_write;
 	dasd_statistics_entry->owner = THIS_MODULE;
 	return 0;
+
+ out_nostatistics:
+	remove_proc_entry("devices", dasd_proc_root_entry);
+ out_nodevices:
+	remove_proc_entry("dasd", &proc_root);
+ out_nodasd:
+	return -ENOENT;
 }
 
 void