1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 1aa3c261718a..ad23aede356c 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -294,23 +294,40 @@ out_error:
 #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