From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <558B1799.8040003@users.sourceforge.net> Date: Wed, 24 Jun 2015 22:48:25 +0200 From: SF Markus Elfring MIME-Version: 1.0 Subject: [PATCH] s390/process: Delete an unnecessary check before the function call "kfree" 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 Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: Heiko Carstens , Martin Schwidefsky , linux390@de.ibm.com, linux-s390@vger.kernel.org Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall List-ID: From: Markus Elfring Date: Wed, 24 Jun 2015 22:40:30 +0200 The kfree() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- arch/s390/kernel/process.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index dc5edc2..22e6448 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -81,8 +81,7 @@ void release_thread(struct task_struct *dead_task) void arch_release_task_struct(struct task_struct *tsk) { - if (tsk->thread.vxrs) - kfree(tsk->thread.vxrs); + kfree(tsk->thread.vxrs); } int copy_thread(unsigned long clone_flags, unsigned long new_stackp, -- 2.4.4