rhashtable: silence RCU warning in rhashtable_test.

[linux-block.git] / lib / test_rhashtable.c

diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index fb69681091134cc879748b40f1f371978056be25..6ca59ffcacbe2453ca82fbe8f3d86541429d49de 100644 (file)
--- a/lib/test_rhashtable.c
+++ b/lib/test_rhashtable.c
@@ -501,6 +501,8 @@ static unsigned int __init print_ht(struct rhltable *rhlt)
        unsigned int i, cnt = 0;
 
        ht = &rhlt->ht;
+       /* Take the mutex to avoid RCU warning */
+       mutex_lock(&ht->mutex);
        tbl = rht_dereference(ht->tbl, ht);
        for (i = 0; i < tbl->size; i++) {
                struct rhash_head *pos, *next;
@@ -534,6 +536,7 @@ static unsigned int __init print_ht(struct rhltable *rhlt)
                }
        }
        printk(KERN_ERR "\n---- ht: ----%s\n-------------\n", buff);
+       mutex_unlock(&ht->mutex);
 
        return cnt;
 }