From 1c789249578895bb14ab62b4327306439b754857 Mon Sep 17 00:00:00 2001 From: Chengguang Xu Date: Thu, 1 Mar 2018 14:24:51 +0800 Subject: [PATCH] ceph: fix potential memory leak in init_caches() There is lack of cache destroy operation for ceph_file_cachep when failing from fscache register. Signed-off-by: Chengguang Xu Reviewed-by: Ilya Dryomov Signed-off-by: Ilya Dryomov --- fs/ceph/super.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 1c470b453a9e..fb2bc9c15a23 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -713,14 +713,17 @@ static int __init init_caches(void) goto bad_dentry; ceph_file_cachep = KMEM_CACHE(ceph_file_info, SLAB_MEM_SPREAD); - if (!ceph_file_cachep) goto bad_file; - if ((error = ceph_fscache_register())) - goto bad_file; + error = ceph_fscache_register(); + if (error) + goto bad_fscache; return 0; + +bad_fscache: + kmem_cache_destroy(ceph_file_cachep); bad_file: kmem_cache_destroy(ceph_dentry_cachep); bad_dentry: