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| author | Chengguang Xu <cgxu519@icloud.com> | 2018-03-01 14:24:51 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-30 07:52:09 +0200 |
| commit | 07d3fb191b5a51af584e21e962fb796919d7db3f (patch) | |
| tree | 45a87ff98d4ec58ccdde1c830e8bf4a924a78a15 /fs/ceph/super.c | |
| parent | 010f5ccbf4c4dcceed770e779089cd24737a1218 (diff) | |
| download | linux-rt-07d3fb191b5a51af584e21e962fb796919d7db3f.tar.gz | |
ceph: fix potential memory leak in init_caches()
[ Upstream commit 1c789249578895bb14ab62b4327306439b754857 ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ceph/super.c')
| -rw-r--r-- | fs/ceph/super.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 9c907e3aad26..48ffe720bf09 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -712,14 +712,17 @@ 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: |