Commit db717d8e26c2 ("fscrypto: move ioctl processing more fully into
common code") moved ioctl() related functions into fscrypt and offers
us now a set of helper functions.

Signed-off-by: Richard Weinberger <[email protected]>
---
 fs/ubifs/ioctl.c | 24 ++----------------------
 fs/ubifs/ubifs.h |  4 ++--
 2 files changed, 4 insertions(+), 24 deletions(-)

diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index 3d10f5525274..78d713644df3 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -184,39 +184,19 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, 
unsigned long arg)
        case FS_IOC_SET_ENCRYPTION_POLICY: {
 #ifdef CONFIG_UBIFS_FS_ENCRYPTION
                struct ubifs_info *c = inode->i_sb->s_fs_info;
-               struct fscrypt_policy policy;
-
-               if (copy_from_user(&policy,
-                                  (struct fscrypt_policy __user *)arg,
-                                  sizeof(policy)))
-                       return -EFAULT;
 
                err = ubifs_enable_encryption(c);
                if (err)
                        return err;
 
-               err = fscrypt_process_policy(file, &policy);
-
-               return err;
+               return fscrypt_ioctl_set_policy(file, (const void __user *)arg);
 #else
                return -EOPNOTSUPP;
 #endif
        }
        case FS_IOC_GET_ENCRYPTION_POLICY: {
 #ifdef CONFIG_UBIFS_FS_ENCRYPTION
-               struct fscrypt_policy policy;
-
-               if (!ubifs_crypt_is_encrypted(inode))
-                       return -ENOENT;
-
-               err = fscrypt_get_policy(inode, &policy);
-               if (err)
-                       return err;
-
-               if (copy_to_user((void __user *)arg, &policy, sizeof(policy)))
-                       return -EFAULT;
-
-               return 0;
+               return fscrypt_ioctl_get_policy(file, (void __user *)arg);
 #else
                return -EOPNOTSUPP;
 #endif
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 8d0e4818e3ea..ca72382ce6cc 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1806,8 +1806,8 @@ int ubifs_decompress(const struct ubifs_info *c, const 
void *buf, int len,
 #define fscrypt_pullback_bio_page       fscrypt_notsupp_pullback_bio_page
 #define fscrypt_restore_control_page    fscrypt_notsupp_restore_control_page
 #define fscrypt_zeroout_range           fscrypt_notsupp_zeroout_range
-#define fscrypt_process_policy          fscrypt_notsupp_process_policy
-#define fscrypt_get_policy              fscrypt_notsupp_get_policy
+#define fscrypt_ioctl_set_policy       fscrypt_notsupp_ioctl_set_policy
+#define fscrypt_ioctl_get_policy       fscrypt_notsupp_ioctl_get_policy
 #define fscrypt_has_permitted_context   fscrypt_notsupp_has_permitted_context
 #define fscrypt_inherit_context         fscrypt_notsupp_inherit_context
 #define fscrypt_get_encryption_info     fscrypt_notsupp_get_encryption_info
-- 
2.10.2

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