From 3a8861e2715e3b985bfaac43bcdfcfebe9b423cb Mon Sep 17 00:00:00 2001
From: ZhangZhen <zhenzhang.zhang@huawei.com>
Date: Fri, 4 Apr 2014 09:47:16 +0800
Subject: f2fs: check the acl's validity before setting

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 | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'fs')

diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index a28571528f24..e93e4ec7d165 100644
--- 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;
-- 
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