KVM: get rid of warning within kvm_dev_ioctl_create_vm

Fixes this:

  CC      arch/s390/kvm/../../../virt/kvm/kvm_main.o
arch/s390/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_dev_ioctl_create_vm':
arch/s390/kvm/../../../virt/kvm/kvm_main.c:1828:10: warning: unused variable 'r'

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3c99c2f..f2c2d84 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1961,7 +1961,7 @@ static struct file_operations kvm_vm_fops = {
 
 static int kvm_dev_ioctl_create_vm(void)
 {
-       int fd, r;
+       int r;
        struct kvm *kvm;
 
        kvm = kvm_create_vm();
@@ -1974,11 +1974,11 @@ static int kvm_dev_ioctl_create_vm(void)
                return r;
        }
 #endif
-       fd = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, O_RDWR);
-       if (fd < 0)
+       r = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, O_RDWR);
+       if (r < 0)
                kvm_put_kvm(kvm);
 
-       return fd;
+       return r;
 }
 
 static long kvm_dev_ioctl_check_extension_generic(long arg)