crypto: lrw - fix memleak

LRW module leaks child cipher memory when init_tfm() fails because of child
block size not being 16.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/crypto/lrw.c b/crypto/lrw.c
index 358f80be2bf9..fca3246a953f 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -220,6 +220,7 @@ static int init_tfm(struct crypto_tfm *tfm)
 
         if (crypto_cipher_blocksize(cipher) != 16) {
                 *flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN;
+                crypto_free_cipher(cipher);
                 return -EINVAL;
         }