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Commit 1e1c65e0 authored by Christian Borntraeger's avatar Christian Borntraeger Committed by Avi Kivity
Browse files

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: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 5b664cb2

virt/kvm/kvm_main.c

+1 −2
Original line number Diff line number Diff line
@@ -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;