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authorRichard Weinberger <richard@nod.at>2016-12-13 00:27:59 +0100
committerRichard Weinberger <richard@nod.at>2016-12-13 19:54:52 +0100
commitec9160dacdb08eaeb40a878db97dfed6c2212d91 (patch)
tree87efd23a1d2afdc6c97f8c4ececce55c87ea2e9e /fs/ubifs/ioctl.c
parent385886686609dbdcd2e8f55c358647faa8d4f89e (diff)
downloadlinux-ec9160dacdb08eaeb40a878db97dfed6c2212d91.tar.gz
ubifs: Use fscrypt ioctl() helpers
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 <richard@nod.at>
Reviewed-by: David Gstir <david@sigma-star.at>
Diffstat (limited to 'fs/ubifs/ioctl.c')
-rw-r--r--fs/ubifs/ioctl.c24
1 files changed, 2 insertions, 22 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