From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754376AbaLBKvn (ORCPT ); Tue, 2 Dec 2014 05:51:43 -0500 Received: from mout.web.de ([212.227.17.11]:60093 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751610AbaLBKvl (ORCPT ); Tue, 2 Dec 2014 05:51:41 -0500 Message-ID: <547D99A3.7070506@users.sourceforge.net> Date: Tue, 02 Dec 2014 11:51:15 +0100 From: SF Markus Elfring User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Andreas Dilger , Greg Kroah-Hartman , Oleg Drokin , devel@driverdev.osuosl.org, HPDD-discuss@lists.01.org CC: LKML , kernel-janitors@vger.kernel.org, Julia Lawall Subject: [PATCH 1/1] lustre: Deletion of unnecessary checks before three function calls 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> In-Reply-To: <5317A59D.4@users.sourceforge.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:9G7lHeuw8N90G8EwKYNGC2KOGC39ifhpU66jaNzCpExVaTYbq0E uYTd3T1oLxAfIhXKfv0Wi2cBsMahe0IM+97d39YbkGlW46gmRWUXjc4a0gMpLzknN9/MrbW IC9eeTgNvTK+DW0v86Yw7Ii3W3sPH5zWYYh/81ou17lSmbfVBvE5drexfAT6A4mPrE2PJYi kZHIAlL2eoTCi8UZ26ebw== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Markus Elfring Date: Tue, 2 Dec 2014 11:40:33 +0100 The functions free_ll_remote_perm(), free_rmtperm_hash() and iput() test whether their argument is NULL and then return immediately. Thus the test around their calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/staging/lustre/lustre/llite/remote_perm.c | 5 ++--- drivers/staging/lustre/lustre/llite/statahead.c | 3 +-- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/staging/lustre/lustre/llite/remote_perm.c b/drivers/staging/lustre/lustre/llite/remote_perm.c index c05a912..a581826 100644 --- a/drivers/staging/lustre/lustre/llite/remote_perm.c +++ b/drivers/staging/lustre/lustre/llite/remote_perm.c @@ -194,7 +194,7 @@ int ll_update_remote_perm(struct inode *inode, struct mdt_remote_perm *perm) if (!lli->lli_remote_perms) lli->lli_remote_perms = perm_hash; - else if (perm_hash) + else free_rmtperm_hash(perm_hash); head = lli->lli_remote_perms + remote_perm_hashfunc(perm->rp_uid); @@ -209,8 +209,7 @@ again: continue; if (tmp->lrp_fsgid != perm->rp_fsgid) continue; - if (lrp) - free_ll_remote_perm(lrp); + free_ll_remote_perm(lrp); lrp = tmp; break; } diff --git a/drivers/staging/lustre/lustre/llite/statahead.c b/drivers/staging/lustre/lustre/llite/statahead.c index 227854b..6ad9dd0 100644 --- a/drivers/staging/lustre/lustre/llite/statahead.c +++ b/drivers/staging/lustre/lustre/llite/statahead.c @@ -334,8 +334,7 @@ static void ll_sa_entry_put(struct ll_statahead_info *sai, LASSERT(ll_sa_entry_unhashed(entry)); ll_sa_entry_cleanup(sai, entry); - if (entry->se_inode) - iput(entry->se_inode); + iput(entry->se_inode); OBD_FREE(entry, entry->se_size); atomic_dec(&sai->sai_cache_count); -- 2.1.3