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

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Message-Id: <1459660924-2960-10-git-send-email-ebiggers3@gmail.com>
Date:	Sun,  3 Apr 2016 00:22:00 -0500
From:	Eric Biggers <ebiggers3@...il.com>
To:	linux-fsdevel@...r.kernel.org
Cc:	linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org, jaegeuk@...nel.org, tytso@....edu,
	mhalcrow@...gle.com, Eric Biggers <ebiggers3@...il.com>
Subject: [PATCH 09/13] fscrypto: make fname_encrypt() actually return length of ciphertext

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@...il.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