shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-03-25 20:10:23 +09:00
Code Issues Packages Projects Releases Wiki Activity

f2fs: deny accessing encryption policy if encryption is off

Browse Source 
This patch adds missing feature check in encryption ioctl interface.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2017-11-14 19:28:42 +08:00
committed by Jaegeuk Kim
parent c394842e26
commit 56a07b0705
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
fs/f2fs/file.c
View File

@@ -1905,6 +1905,9 @@ static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
if (!f2fs_sb_has_crypto(inode->i_sb))
return -EOPNOTSUPP;
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
@@ -1912,6 +1915,8 @@ static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
{
if (!f2fs_sb_has_crypto(file_inode(filp)->i_sb))
return -EOPNOTSUPP;
return fscrypt_ioctl_get_policy(filp, (void __user *)arg);
}