performance/stat-prefetch: fix memory leak.

- rbt_hash_remove only removes entry from the hash table. It does not free
    the data.

Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 438 (Memory leak)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=438

1 files changed, 4 insertions, 1 deletions

diff --git a/xlators/performance/stat-prefetch/src/stat-prefetch.c b/xlators/performance/stat-prefetch/src/stat-prefetch.c
index 729924ff8..7722c7bc8 100644
--- a/xlators/performance/stat-prefetch/src/stat-prefetch.c
+++ b/xlators/performance/stat-prefetch/src/stat-prefetch.c
@@ -377,6 +377,7 @@ sp_cache_remove_entry (sp_cache_t *cache, char *name, char remove_all)
         rbthash_table_t *table = NULL;
         xlator_t        *this;
         sp_private_t    *priv = NULL;
+        void            *data = NULL;
 
         if ((cache == NULL) || ((name == NULL) && !remove_all)) {
                 goto out;
@@ -408,7 +409,9 @@ sp_cache_remove_entry (sp_cache_t *cache, char *name, char remove_all)
                                 ret = 0;
                         }
                 } else {
-                        rbthash_remove (cache->table, name, strlen (name));
+                        data = rbthash_remove (cache->table, name,
+                                               strlen (name));
+                        FREE (data);
                         ret = 0;
                 }
         }