1 ext4 crypto: exit cleanly if ext4_derive_key_aes() fails
3 From: Laurent Navet <laurent.navet@gmail.com>
5 Return value of ext4_derive_key_aes() is stored but not used.
6 Add test to exit cleanly if ext4_derive_key_aes() fail.
7 Also fix coverity CID 1309760.
9 Signed-off-by: Laurent Navet <laurent.navet@gmail.com>
10 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
12 fs/ext4/crypto_key.c | 2 ++
13 1 file changed, 2 insertions(+)
15 diff --git a/fs/ext4/crypto_key.c b/fs/ext4/crypto_key.c
16 index 442d24e..ce75bc8 100644
17 --- a/fs/ext4/crypto_key.c
18 +++ b/fs/ext4/crypto_key.c
19 @@ -220,6 +220,8 @@ retry:
20 BUG_ON(master_key->size != EXT4_AES_256_XTS_KEY_SIZE);
21 res = ext4_derive_key_aes(ctx.nonce, master_key->raw,
26 ctfm = crypto_alloc_ablkcipher(cipher_str, 0, 0);
27 if (!ctfm || IS_ERR(ctfm)) {