From: Wei Yongjun weiyongjun1@huawei.com
commit 9b40f79c08e81234d759f188b233980d7e81df6c upstream. [Please apply to 4.4-stable.]
Fix to return error code -EINVAL from the invalid alg ivsize error handling case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Eric Biggers ebiggers@google.com --- crypto/gcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/gcm.c b/crypto/gcm.c index 0a12c09d7cb2b..f1c16589af8bb 100644 --- a/crypto/gcm.c +++ b/crypto/gcm.c @@ -670,11 +670,11 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl, ctr = crypto_skcipher_spawn_alg(&ctx->ctr);
/* We only support 16-byte blocks. */ + err = -EINVAL; if (ctr->cra_ablkcipher.ivsize != 16) goto out_put_ctr;
/* Not a stream cipher? */ - err = -EINVAL; if (ctr->cra_blocksize != 1) goto out_put_ctr;