[S390] sparse: fix sparse symbol shadow warning
to_kvmdev and dev_to_virtio both use container_of. Avoid to nest the
two macros to quiet the following sparse warning:
drivers/s390/kvm/kvm_virtio.c:337:20: warning: symbol '__mptr' shadows an earlier one
drivers/s390/kvm/kvm_virtio.c:337:20: originally declared here
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index 83c69fb..3c2c923 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -334,10 +334,10 @@
*/
static int match_desc(struct device *dev, void *data)
{
- if ((ulong)to_kvmdev(dev_to_virtio(dev))->desc == (ulong)data)
- return 1;
+ struct virtio_device *vdev = dev_to_virtio(dev);
+ struct kvm_device *kdev = to_kvmdev(vdev);
- return 0;
+ return kdev->desc == data;
}
/*