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Subject[PATCH] ext4 crypto: remove unneeded assignation
Date
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@gmail.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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