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

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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: Eric Biggers <ebiggers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2016-10-17 15:10:06 +00:00 committed by prashantpaddune
parent 2983dd983e
commit 0ce3d5c38b
1 changed files with 1 additions and 1 deletions
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crypto/gcm.c
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@ -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;