ext4 crypto: don't allocate a page when encrypting/decrypting file names
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 5665d82..d799d5d 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -247,9 +247,12 @@
get_dtype(sb, de->file_type)))
goto done;
} else {
+ int save_len = fname_crypto_str.len;
+
/* Directory is encrypted */
err = ext4_fname_disk_to_usr(enc_ctx,
NULL, de, &fname_crypto_str);
+ fname_crypto_str.len = save_len;
if (err < 0)
goto errout;
if (!dir_emit(ctx,