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f2fs: check the acl's validity before setting
author
ZhangZhen
<zhenzhang.zhang@huawei.com>
Fri, 4 Apr 2014 01:47:16 +0000
(09:47 +0800)
committer
Jaegeuk Kim
<jaegeuk.kim@samsung.com>
Mon, 7 Apr 2014 03:18:30 +0000
(12:18 +0900)
Before setting the acl, call posix_acl_valid() to check if it is
valid or not.
Signed-off-by: zhangzhen <zhenzhang.zhang@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
fs/f2fs/acl.c
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diff --git
a/fs/f2fs/acl.c
b/fs/f2fs/acl.c
index a28571528f24e1b956e4407d79fe67880aae8435..e93e4ec7d165afe85800bf6acf68f01178d9d836 100644
(file)
--- a/
fs/f2fs/acl.c
+++ b/
fs/f2fs/acl.c
@@
-203,6
+203,12
@@
static int __f2fs_set_acl(struct inode *inode, int type,
size_t size = 0;
int error;
+ if (acl) {
+ error = posix_acl_valid(acl);
+ if (error < 0)
+ return error;
+ }
+
switch (type) {
case ACL_TYPE_ACCESS:
name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS;