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[PATCH 09/13] fscrypto: make fname_encrypt() actually return length of ciphertext

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This makes the return value match the comment.  Previously it would
actually return 0 if encryption was successful.  (No callers currently
care.)

Signed-off-by: Eric Biggers <ebiggers3@gmail.com>
---
 fs/crypto/fname.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index e5c6959..5b10b73 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -100,12 +100,13 @@ static int fname_encrypt(struct inode *inode,
 	}
 	kfree(alloc_buf);
 	skcipher_request_free(req);
-	if (res < 0)
+	if (res < 0) {
 		printk_ratelimited(KERN_ERR
 				"%s: Error (error code %d)\n", __func__, res);
-
+		return res;
+	}
 	oname->len = ciphertext_len;
-	return res;
+	return ciphertext_len;
 }
 
 /*
-- 
2.7.4

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[PATCH 00/13] fscrypto: cleanups and fixes Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 12/13] fscrypto: require write access to mount to set encryption policy Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 04/13] fscrypto: return bool instead of int where appropriate Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 10/13] fscrypto: restrict setting new policy to empty files and directories only Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 05/13] fscrypto: comment improvements and fixes Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 07/13] fscrypto: simplify building key descriptor string Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 02/13] fscrypto: rename some functions for clarity Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
    Re: [PATCH 02/13] fscrypto: rename some functions for clarity Theodore Ts'o <tytso@mit.edu> - 2016-04-03 09:50 +0200
  [PATCH 11/13] fscrypto: restrict setting encryption policy to inode owner Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 08/13] fscrypto: use standard macros from kernel.h Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 09/13] fscrypto: make fname_encrypt() actually return length of ciphertext Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 13/13] fscrypto: improve error handling in fscrypt_set_policy() Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 06/13] fscrypto: crypto_alloc_skcipher() always returns an ERR_PTR(), never NULL Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200
  [PATCH 03/13] fscrypto: rename functions to load and unload inode encryption info Eric Biggers <ebiggers3@gmail.com> - 2016-04-03 07:30 +0200

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