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Message-Id: <1436385075-22559-1-git-send-email-laurent.navet@gmail.com>
Date: Wed, 8 Jul 2015 21:51:15 +0200
From: Laurent Navet <laurent.navet@...il.com>
To: tytso@....edu, adilger.kernel@...ger.ca
Cc: linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
Laurent Navet <laurent.navet@...il.com>
Subject: [PATCH] ext4 crypto: remove unneeded assignation
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 <laurent.navet@...il.com>
---
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
--
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