Commit 2f95ee0b authored Oct 17, 2016 by Wei Yongjun Committed by Greg Kroah-Hartman May 21, 2019

crypto: gcm - Fix error return code in crypto_gcm_create_common()



commit 9b40f79c08e81234d759f188b233980d7e81df6c upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent a2a2a146

crypto/gcm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -670,11 +670,11 @@ static int crypto_gcm_create_common(struct crypto_template *tmpl,
		ctr = crypto_spawn_skcipher_alg(&ctx->ctr);

		/* We only support 16-byte blocks. */
		err = -EINVAL;
		if (crypto_skcipher_alg_ivsize(ctr) != 16)
		goto out_put_ctr;

		/* Not a stream cipher? */
		err = -EINVAL;
		if (ctr->base.cra_blocksize != 1)
		goto out_put_ctr;