Messages in this thread Patch in this message | | | From | Laurent Navet <> | Subject | [PATCH V2] ext4 crypto: exit cleanly if ext4_derive_key_aes() fails | Date | Thu, 9 Jul 2015 22:07:14 +0200 |
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Return value of ext4_derive_key_aes() is stored but not used. Add test to exit cleanly if ext4_derive_key_aes() fail. Also fix coverity CID 1309760.
Signed-off-by: Laurent Navet <laurent.navet@gmail.com> --- fs/ext4/crypto_key.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/ext4/crypto_key.c b/fs/ext4/crypto_key.c index 442d24e..ce75bc8 100644 --- a/fs/ext4/crypto_key.c +++ b/fs/ext4/crypto_key.c @@ -220,6 +220,8 @@ retry: BUG_ON(master_key->size != EXT4_AES_256_XTS_KEY_SIZE); res = ext4_derive_key_aes(ctx.nonce, master_key->raw, raw_key); + if (res) + goto out; got_key: ctfm = crypto_alloc_ablkcipher(cipher_str, 0, 0); if (!ctfm || IS_ERR(ctfm)) { -- 2.1.4
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