From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com ([209.85.220.54]:43097 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753905AbaIWEnS (ORCPT ); Tue, 23 Sep 2014 00:43:18 -0400 Received: by mail-pa0-f54.google.com with SMTP id fb1so5899599pad.27 for ; Mon, 22 Sep 2014 21:43:17 -0700 (PDT) From: behanw@converseincode.com To: agk@redhat.com, clm@fb.com, davem@davemloft.net, dm-devel@redhat.com, fabf@skynet.be, herbert@gondor.apana.org.au, jbacik@fb.com, snitzer@redhat.com, tadeusz.struk@intel.com Cc: akpm@linux-foundation.org, bruce.w.allan@intel.com, d.kasatkin@samsung.com, james.l.morris@oracle.com, john.griffin@intel.com, linux-btrfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-ima-devel@lists.sourceforge.net, linux-ima-user@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, linux-security-module@vger.kernel.org, neilb@suse.de, qat-linux@intel.com, serge@hallyn.com, thomas.lendacky@amd.com, zohar@linux.vnet.ibm.com, torvalds@linux-foundation.org, =?UTF-8?q?Jan-Simon=20M=C3=B6ller?= , Behan Webster , pageexec@freemail.hu Subject: [PATCH v4 12/12] crypto: LLVMLinux: Remove VLAIS usage from crypto/testmgr.c Date: Mon, 22 Sep 2014 21:42:17 -0700 Message-Id: <1411447337-22362-13-git-send-email-behanw@converseincode.com> In-Reply-To: <1411447337-22362-1-git-send-email-behanw@converseincode.com> References: <1411447337-22362-1-git-send-email-behanw@converseincode.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: From: Jan-Simon Möller Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99 compliant equivalent. This patch allocates the appropriate amount of memory using a char array using the SHASH_DESC_ON_STACK macro. The new code can be compiled with both gcc and clang. Signed-off-by: Jan-Simon Möller Signed-off-by: Behan Webster Reviewed-by: Mark Charlebois Acked-by: Herbert Xu Cc: pageexec@freemail.hu --- crypto/testmgr.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/crypto/testmgr.c b/crypto/testmgr.c index ac2b631..b959c0c 100644 --- a/crypto/testmgr.c +++ b/crypto/testmgr.c @@ -1714,16 +1714,14 @@ static int alg_test_crc32c(const struct alg_test_desc *desc, } do { - struct { - struct shash_desc shash; - char ctx[crypto_shash_descsize(tfm)]; - } sdesc; + SHASH_DESC_ON_STACK(shash, tfm); + u32 *ctx = (u32 *)shash_desc_ctx(shash); - sdesc.shash.tfm = tfm; - sdesc.shash.flags = 0; + shash->tfm = tfm; + shash->flags = 0; - *(u32 *)sdesc.ctx = le32_to_cpu(420553207); - err = crypto_shash_final(&sdesc.shash, (u8 *)&val); + *ctx = le32_to_cpu(420553207); + err = crypto_shash_final(shash, (u8 *)&val); if (err) { printk(KERN_ERR "alg: crc32c: Operation failed for " "%s: %d\n", driver, err); -- 1.9.1