Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756016AbaKTErC (ORCPT ); Wed, 19 Nov 2014 23:47:02 -0500 Received: from helcar.apana.org.au ([209.40.204.226]:51963 "EHLO helcar.apana.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753718AbaKTErA (ORCPT ); Wed, 19 Nov 2014 23:47:00 -0500 Date: Thu, 20 Nov 2014 12:46:50 +0800 From: Herbert Xu To: Stephan Mueller Cc: Steffen Klassert , Daniel Borkmann , quentin.gouchet@gmail.com, LKML , linux-crypto@vger.kernel.org, ABI/API Subject: crypto: user - Allow get request with empty driver name Message-ID: <20141120044650.GA28691@gondor.apana.org.au> References: <5365136.g8vbXlhRyC@tachyon.chronox.de> <1886827.KUDIsNtfuk@tachyon.chronox.de> <20141120041824.GA28612@gondor.apana.org.au> <3538055.XH2t7HNEVj@tachyon.chronox.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3538055.XH2t7HNEVj@tachyon.chronox.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 20, 2014 at 05:23:23AM +0100, Stephan Mueller wrote: > > Here is the code: > > static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, > struct nlattr **attrs) > { > ... > if (!p->cru_driver_name[0]) > return -EINVAL; OK let's fix this. crypto: user - Allow get request with empty driver name Currently all get requests with an empty driver name fail with EINVAL. Since most users actually want to supply an empty driver name this patch removes this check. Signed-off-by: Herbert Xu diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index e2a34fe..0bb30ac 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -201,10 +201,7 @@ static int crypto_report(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, if (!null_terminated(p->cru_name) || !null_terminated(p->cru_driver_name)) return -EINVAL; - if (!p->cru_driver_name[0]) - return -EINVAL; - - alg = crypto_alg_match(p, 1); + alg = crypto_alg_match(p, 0); if (!alg) return -ENOENT; Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/