virtio-mem: Constify mem_id_table

mem_id_table is not modified, so make it const to allow the compiler to
put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200911203509.26505-4-rikard.falkeborn@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>

diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index c08512f..8b6059d 100644 (file)
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -1957,7 +1957,7 @@ static unsigned int virtio_mem_features[] = {
 #endif
 };
 
-static struct virtio_device_id virtio_mem_id_table[] = {
+static const struct virtio_device_id virtio_mem_id_table[] = {
        { VIRTIO_ID_MEM, VIRTIO_DEV_ANY_ID },
        { 0 },
 };