f2fs: fix reference leaks in f2fs_acl_create
Our f2fs_acl_create is copied and modified from posix_acl_create to avoid
deadlock bug when inline_dentry feature is enabled.
Now, we got reference leaks in posix_acl_create, and this has been fixed in
commit fed0b588be2f ("posix_acl: fix reference leaks in posix_acl_create")
by Omar Sandoval.
https://lkml.org/lkml/2015/2/9/5
Let's fix this issue in f2fs_acl_create too.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Reviewed-by: Changman Lee <cm224.lee@ssamsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 7422027..4320ffa 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -351,13 +351,11 @@
*acl = f2fs_acl_clone(p, GFP_NOFS);
if (!*acl)
- return -ENOMEM;
+ goto no_mem;
ret = f2fs_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);
@@ -378,6 +376,12 @@
*default_acl = NULL;
*acl = NULL;
return 0;
+
+no_mem_clone:
+ posix_acl_release(*acl);
+no_mem:
+ posix_acl_release(p);
+ return -ENOMEM;
}
int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage,