From: Laurent Navet Subject: [PATCH] ext4 crypto: remove unneeded assignation Date: Wed, 8 Jul 2015 21:51:15 +0200 Message-ID: <1436385075-22559-1-git-send-email-laurent.navet@gmail.com> Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Laurent Navet To: tytso@mit.edu, adilger.kernel@dilger.ca Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org Return value of ext4_derive_key_aes() is stored but never used before being overwritten. Also fix coverity CID 1309760. Signed-off-by: Laurent Navet --- fs/ext4/crypto_key.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/crypto_key.c b/fs/ext4/crypto_key.c index 442d24e..92f9172 100644 --- a/fs/ext4/crypto_key.c +++ b/fs/ext4/crypto_key.c @@ -218,7 +218,7 @@ retry: BUILD_BUG_ON(EXT4_AES_128_ECB_KEY_SIZE != EXT4_KEY_DERIVATION_NONCE_SIZE); BUG_ON(master_key->size != EXT4_AES_256_XTS_KEY_SIZE); - res = ext4_derive_key_aes(ctx.nonce, master_key->raw, + ext4_derive_key_aes(ctx.nonce, master_key->raw, raw_key); got_key: ctfm = crypto_alloc_ablkcipher(cipher_str, 0, 0); -- 2.1.4