X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fobdecho%2Fecho_client.c;h=cd56684ce4a9d73090736b5d540c4042878debc3;hp=9eba69e74bc4e6f9dc5fd0074dcea8d9d44bec5f;hb=c965680bf2b891a5372b994e685848fd8f0e255a;hpb=f2a9374170e4522b9d2ac3b7096cf2912339d480

diff --git a/lustre/obdecho/echo_client.c b/lustre/obdecho/echo_client.c
index 9eba69e..cd56684 100644
--- a/lustre/obdecho/echo_client.c
+++ b/lustre/obdecho/echo_client.c
@@ -296,7 +296,9 @@ static void echo_page_discard(const struct lu_env *env,
 static int echo_page_is_vmlocked(const struct lu_env *env,
                                  const struct cl_page_slice *slice)
 {
-        return cfs_mutex_is_locked(&cl2echo_page(slice)->ep_lock);
+        if (cfs_mutex_is_locked(&cl2echo_page(slice)->ep_lock))
+                return -EBUSY;
+        return -ENODATA;
 }
 
 static void echo_page_completion(const struct lu_env *env,
@@ -2104,10 +2106,16 @@ int echo_client_init(void)
         int rc;
 
         lprocfs_echo_init_vars(&lvars);
-        rc = class_register_type(&echo_obd_ops, NULL, lvars.module_vars,
-                                 LUSTRE_ECHO_CLIENT_NAME, &echo_device_type);
-        if (rc == 0)
-                lu_kmem_init(echo_caches);
+
+        rc = lu_kmem_init(echo_caches);
+        if (rc == 0) {
+                rc = class_register_type(&echo_obd_ops, NULL,
+                                         lvars.module_vars,
+                                         LUSTRE_ECHO_CLIENT_NAME,
+                                         &echo_device_type);
+                if (rc)
+                        lu_kmem_fini(echo_caches);
+        }
         return rc;
 }