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| author | Omar Sandoval <osandov@osandov.com> | 2015-02-08 21:45:25 -0800 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-02-20 04:56:45 -0500 |
| commit | fed0b588be2f55822013808a2968c228258d921b (patch) | |
| tree | 9d7a658a615c08c104a1566620379c21f8d1a7d3 /fs/posix_acl.c | |
| parent | 76bf3f6b1d6ac4c770bb121b0461c460aa068e64 (diff) | |
| download | lwn-fed0b588be2f55822013808a2968c228258d921b.tar.gz lwn-fed0b588be2f55822013808a2968c228258d921b.zip | |
posix_acl: fix reference leaks in posix_acl_create
get_acl gets a reference which we must release in the error cases.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/posix_acl.c')
| -rw-r--r-- | fs/posix_acl.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/posix_acl.c b/fs/posix_acl.c index 0855f772cd41..515d31511d0d 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -564,13 +564,11 @@ posix_acl_create(struct inode *dir, umode_t *mode, *acl = posix_acl_clone(p, GFP_NOFS); if (!*acl) - return -ENOMEM; + goto no_mem; ret = posix_acl_create_masq(*acl, mode); - if (ret < 0) { - posix_acl_release(*acl); - return -ENOMEM; - } + if (ret < 0) + goto no_mem_clone; if (ret == 0) { posix_acl_release(*acl); @@ -591,6 +589,12 @@ no_acl: *default_acl = NULL; *acl = NULL; return 0; + +no_mem_clone: + posix_acl_release(*acl); +no_mem: + posix_acl_release(p); + return -ENOMEM; } EXPORT_SYMBOL_GPL(posix_acl_create); |