From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH v2 1/3] crypto-ixp4xx: Delete unnecessary checks before the function call "dma_pool_destroy" Date: Tue, 17 Nov 2015 16:41:40 +0100 Message-ID: <564B4AB4.3010709@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> <5648D2C1.8050603@users.sourceforge.net> <564B489F.10308@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall To: linux-crypto@vger.kernel.org, Herbert Xu , "David S. Miller" Return-path: Received: from mout.web.de ([212.227.17.11]:50539 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750888AbbKQPl4 (ORCPT ); Tue, 17 Nov 2015 10:41:56 -0500 In-Reply-To: <564B489F.10308@users.sourceforge.net> Sender: linux-crypto-owner@vger.kernel.org List-ID: From: Markus Elfring Date: Sun, 15 Nov 2015 16:51:21 +0100 The dma_pool_destroy() function tests whether its argument is NULL and then returns immediately. Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/crypto/ixp4xx_crypto.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 8f27903..e52496a 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -510,10 +510,8 @@ npe_error: printk(KERN_ERR "%s not responding\n", npe_name(npe_c)); ret = -EIO; err: - if (ctx_pool) - dma_pool_destroy(ctx_pool); - if (buffer_pool) - dma_pool_destroy(buffer_pool); + dma_pool_destroy(ctx_pool); + dma_pool_destroy(buffer_pool); npe_release(npe_c); return ret; } -- 2.6.2