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authorChengguang Xu <cgxu519@icloud.com>2018-03-01 14:24:51 +0800
committerIlya Dryomov <idryomov@gmail.com>2018-03-01 16:39:47 +0100
commit1c789249578895bb14ab62b4327306439b754857 (patch)
tree1bb1b07b70d2c31165e57da1a32571f0bce7ccdc /fs
parent18106734b512664a8541026519ce4b862498b6c3 (diff)
downloadlinux-1c789249578895bb14ab62b4327306439b754857.tar.bz2
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 <cgxu519@icloud.com> Reviewed-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ceph/super.c9
1 files 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: