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Commit 9270b2f4 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

ubifs: Preload crypto context in ->lookup() 



...and mark the dentry as encrypted.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent ac7e47a9

fs/ubifs/dir.c

+15 −0
Original line number Diff line number Diff line
@@ -218,6 +218,21 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry, 


	dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino);



	if (ubifs_crypt_is_encrypted(dir)) {

		err = fscrypt_get_encryption_info(dir);



		/*

		 * DCACHE_ENCRYPTED_WITH_KEY is set if the dentry is

		 * created while the directory was encrypted and we

		 * have access to the key.

		 */

		if (fscrypt_has_encryption_key(dir))

			fscrypt_set_encrypted_dentry(dentry);

		fscrypt_set_d_op(dentry);

		if (err && err != -ENOKEY)

			return ERR_PTR(err);

	}



	if (dentry->d_name.len > UBIFS_MAX_NLEN)

		return ERR_PTR(-ENAMETOOLONG);