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authorChristian Borntraeger <borntraeger@de.ibm.com>2008-04-21 13:48:24 +0200
committerAvi Kivity <avi@qumranet.com>2008-07-20 12:40:46 +0300
commit1e1c65e03ec817a64153751150f6691db9842acd (patch)
treec7f15ad0f376d7e8a501a2aa7be378cb84ca8e86 /virt
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
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KVM: remove long -> void *user -> long cast
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 <borntraeger@de.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d4eae6af073..b6a59498b5a 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;