From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753746AbYFZM2z (ORCPT ); Thu, 26 Jun 2008 08:28:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751590AbYFZM2e (ORCPT ); Thu, 26 Jun 2008 08:28:34 -0400 Received: from il.qumranet.com ([212.179.150.194]:32309 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750830AbYFZM2d (ORCPT ); Thu, 26 Jun 2008 08:28:33 -0400 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Christian Borntraeger Subject: [PATCH 01/50] KVM: remove long -> void *user -> long cast Date: Thu, 26 Jun 2008 15:27:43 +0300 Message-Id: <1214483312-9265-2-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.6 In-Reply-To: <1214483312-9265-1-git-send-email-avi@qumranet.com> References: <1214483312-9265-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christian Borntraeger kvm_dev_ioctl casts the arg value to void __user *, just to recast it again to long. This seems unnecessary. According to objdump the binary code on x86 is unchanged by this patch. Signed-off-by: Christian Borntraeger Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2d29e26..764d702 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1179,7 +1179,6 @@ static int kvm_dev_ioctl_create_vm(void) static long kvm_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { - void __user *argp = (void __user *)arg; long r = -EINVAL; switch (ioctl) { @@ -1196,7 +1195,7 @@ static long kvm_dev_ioctl(struct file *filp, r = kvm_dev_ioctl_create_vm(); break; case KVM_CHECK_EXTENSION: - r = kvm_dev_ioctl_check_extension((long)argp); + r = kvm_dev_ioctl_check_extension(arg); break; case KVM_GET_VCPU_MMAP_SIZE: r = -EINVAL; -- 1.5.6