LU-12477 lustre: check return status of register_shrinker()

[fs/lustre-release.git] / lustre / osc / osc_request.c

diff --git a/lustre/osc/osc_request.c b/lustre/osc/osc_request.c
index 1c2b859..d6e5718 100644 (file)
--- a/lustre/osc/osc_request.c
+++ b/lustre/osc/osc_request.c
@@ -3662,11 +3662,13 @@ static int __init osc_init(void)
        if (rc)
                GOTO(out_kmem, rc);
 
-       register_shrinker(&osc_cache_shrinker);
+       rc = register_shrinker(&osc_cache_shrinker);
+       if (rc)
+               GOTO(out_type, rc);
 
        /* This is obviously too much memory, only prevent overflow here */
        if (osc_reqpool_mem_max >= 1 << 12 || osc_reqpool_mem_max == 0)
-               GOTO(out_type, rc = -EINVAL);
+               GOTO(out_shrinker, rc = -EINVAL);
 
        reqpool_size = osc_reqpool_mem_max << 20;
 
@@ -3687,7 +3689,7 @@ static int __init osc_init(void)
                                          ptlrpc_add_rqs_to_pool);
 
        if (osc_rq_pool == NULL)
-               GOTO(out_type, rc = -ENOMEM);
+               GOTO(out_shrinker, rc = -ENOMEM);
 
        rc = osc_start_grant_work();
        if (rc != 0)
@@ -3697,6 +3699,8 @@ static int __init osc_init(void)
 
 out_req_pool:
        ptlrpc_free_rq_pool(osc_rq_pool);
+out_shrinker:
+       unregister_shrinker(&osc_cache_shrinker);
 out_type:
        class_unregister_type(LUSTRE_OSC_NAME);
 out_kmem: