vfio: fix a warning message

The first argument to the WARN() macro has to be a condition.  I'm sort
of disappointed that this code doesn't generate a compiler warning.  I
guess -Wformat-extra-args doesn't work in the kernel.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index de632da2e22f..9da0703e09d0 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -682,7 +682,7 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev)
                 return 0;
 
         /* TODO Prevent device auto probing */
-        WARN("Device %s added to live group %d!\n", dev_name(dev),
+        WARN(1, "Device %s added to live group %d!\n", dev_name(dev),
              iommu_group_id(group->iommu_group));
 
         return 0;