linux-kernel - [PATCH 4.14 164/173] crypto: artpec6 - return correct error code for failed setkey()

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Message-Id: <20200213152012.452162546@linuxfoundation.org>
Date:   Thu, 13 Feb 2020 07:21:07 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jesper Nilsson <jesper.nilsson@...s.com>,
        Lars Persson <lars.persson@...s.com>,
        Eric Biggers <ebiggers@...gle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH 4.14 164/173] crypto: artpec6 - return correct error code for failed setkey()

From: Eric Biggers <ebiggers@...gle.com>

commit b828f905904cd76424230c69741a4cabb0174168 upstream.

->setkey() is supposed to retun -EINVAL for invalid key lengths, not -1.

Fixes: a21eb94fc4d3 ("crypto: axis - add ARTPEC-6/7 crypto accelerator driver")
Cc: Jesper Nilsson <jesper.nilsson@...s.com>
Cc: Lars Persson <lars.persson@...s.com>
Signed-off-by: Eric Biggers <ebiggers@...gle.com>
Acked-by: Lars Persson <lars.persson@...s.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/crypto/axis/artpec6_crypto.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -1256,7 +1256,7 @@ static int artpec6_crypto_aead_set_key(s
 
 	if (len != 16 && len != 24 && len != 32) {
 		crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
-		return -1;
+		return -EINVAL;
 	}
 
 	ctx->key_length = len;